Q: What is the sum of all factors of the number 21,435 excluding 21,435?
A: 12,885
The factors of the number 21,435 are: 1, 3, 5, 15, 1429, 4287, 7145, 21435.
If you add them up, you will get the total of 21,447. Now subtract 21,435 to get 12,885