492232 divided by 21 
We're looking to find how many times 21 goes into 492232.

On to step 1:
4 divided by 21 is 0 with a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Append the next digit (9) from the dividend to 4 and continue with: 49 / 21

On to step 2:
21 goes into 49 2 times with a remainder of 7.
Use 2 as the next digit of our solution. 
Result so far: 2.0
The remainder is 7 after subtracting 42 from 49.
Fetch the next digit (2) from the dividend, attach it to 7 and continue: 72 / 21

Let's proceed to step 3:
The number 21 fits into 72 3 times, leaving a remainder of 9.
Record the quotient 3 as the next digit in the result. 
Result so far: 23.0
Deduct 63 from 72 and we're left with 9.
Fetch the next digit (2) from the dividend, attach it to 9 and continue: 92 / 21

Step 4:
If we divide 92 by 21, we get 4 and a remainder of 8.
The number 4 becomes the next digit in our result. 
Result so far: 234.0
Subtract 84 from 92 to get 8.
Append the next digit (3) from the dividend to 8 and continue with: 83 / 21

Advancing to step 5:
The number 21 fits into 83 3 times, leaving a remainder of 20.
Put 3 as the next digit of the answer. 
Result so far: 2343.0
Subtracting 63 from 83 leaves us with 20.
Bring next digit (2) of the dividend behind the 20 and repeat the process: 202 / 21

Let's proceed to step 6:
When dividing 202 by 21, we get 9 with a remainder of 13.
The next digit of our result is 9. 
Result so far: 23439.0
If we take 189 away from 202, we end up with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Going ahead to step 7:
21 goes into 130 6 times with a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 23439.6
The remainder is 4 after subtracting 126 from 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 8:
The number 21 fits into 40 1 times, leaving a remainder of 19.
The next digit of our result is 1. 
Result so far: 23439.61
Subtract 21 from 40 to get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Let's proceed to step 9:
190 divided by 21 is 9 with a remainder of 1.
The next digit of our result is 9. 
Result so far: 23439.619
Deduct 189 from 190 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Moving on to step 10:
The number 21 fits into 10 0 times, leaving a remainder of 10.
Put 0 as the next digit of the answer. 
Result so far: 23439.619
Subtracting 0 from 10 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 11:
If we divide 100 by 21, we get 4 and a remainder of 16.
Record the quotient 4 as the next digit in the result. 
Result so far: 23439.61904
Subtract 84 from 100 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Going ahead to step 12:
21 goes into 160 7 times with a remainder of 13.
The next digit of our result is 7. 
Result so far: 23439.619047
If we subtract 147 from 160, we get 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Moving on to step 13:
21 can be fit into 130 6 times, resulting in a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 23439.6190476
If we take 126 away from 130, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 14:
When dividing 40 by 21, we get 1 with a remainder of 19.
The number 1 becomes the next digit in our result. 
Result so far: 23439.61904761
Subtracting 21 from 40 leaves us with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

The quotient of the division is 23439.61904761, and the remainder is 1.9e-08.