922160 divided by 21 
We want to figure out the number of times 922160 can be divided by 21.

Let's proceed to step 1:
When dividing 9 by 21, we get 0 with a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Take the next digit (2) from the dividend and append it to 9, then repeat: 92 / 21

Moving on to step 2:
When dividing 92 by 21, we get 4 with a remainder of 8.
The next digit of our result is 4. 
Result so far: 4.0
Deduct 84 from 92 and we're left with 8.
Take the next digit (2) from the dividend and append it to 8, then repeat: 82 / 21

Moving on to step 3:
82 divided by 21 is 3 with a remainder of 19.
Use 3 as the next digit of our solution. 
Result so far: 43.0
Subtracting 63 from 82 leaves us with 19.
Include the next digit (1) from the dividend after 19, then repeat: 191 / 21

Let's proceed to step 4:
The number 21 fits into 191 9 times, leaving a remainder of 2.
Use 9 as the next digit of our solution. 
Result so far: 439.0
Subtract 189 from 191 to get 2.
Append the next digit (6) from the dividend to 2 and continue with: 26 / 21

Moving on to step 5:
21 can be fit into 26 1 times, resulting in a remainder of 5.
Use 1 as the next digit of our solution. 
Result so far: 4391.0
If we subtract 21 from 26, we get 5.
Include the next digit (0) from the dividend after 5, then repeat: 50 / 21

Step 6:
50 divided by 21 is 2 with a remainder of 8.
Record the quotient 2 as the next digit in the result. 
Result so far: 43912.0
If we subtract 42 from 50, we get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 7:
If we divide 80 by 21, we get 3 and a remainder of 17.
The number 3 becomes the next digit in our result. 
Result so far: 43912.3
The remainder is 17 after subtracting 63 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Going ahead to step 8:
21 goes into 170 8 times with a remainder of 2.
Write down 8 as next digit of the result. 
Result so far: 43912.38
Subtracting 168 from 170 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 9:
20 divided by 21 is 0 with a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 43912.38
The remainder is 20 after subtracting 0 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 10:
When dividing 200 by 21, we get 9 with a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 43912.3809
Deduct 189 from 200 and we're left with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Moving on to step 11:
The number 21 fits into 110 5 times, leaving a remainder of 5.
The next digit of our result is 5. 
Result so far: 43912.38095
Deduct 105 from 110 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 12:
If we divide 50 by 21, we get 2 and a remainder of 8.
Use 2 as the next digit of our solution. 
Result so far: 43912.380952
If we subtract 42 from 50, we get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 13:
21 goes into 80 3 times with a remainder of 17.
The number 3 becomes the next digit in our result. 
Result so far: 43912.3809523
Subtract 63 from 80 to get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Going ahead to step 14:
The number 21 fits into 170 8 times, leaving a remainder of 2.
Use 8 as the next digit of our solution. 
Result so far: 43912.38095238
If we take 168 away from 170, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

The final result is 43912.38095238 with a remainder of 2e-09.