Q: What is the sum of all factors of the number 21,612 excluding 21,612?
A: 28,844
The factors of the number 21,612 are: 1, 2, 3, 4, 6, 12, 1801, 3602, 5403, 7204, 10806, 21612.
If you add them up, you will get the total of 21,640. Now subtract 21,612 to get 28,844