Q: What is the sum of all factors of the number 63,921 excluding 63,921?
A: 36,879
The factors of the number 63,921 are: 1, 3, 11, 13, 33, 39, 143, 149, 429, 447, 1639, 1937, 4917, 5811, 21307, 63921.
If you add them up, you will get the total of 63,957. Now subtract 63,921 to get 36,879