Q: What is the sum of all factors of the number 21,495 excluding 21,495?
A: 12,921
The factors of the number 21,495 are: 1, 3, 5, 15, 1433, 4299, 7165, 21495.
If you add them up, you will get the total of 21,507. Now subtract 21,495 to get 12,921