Q: What is the sum of all factors of the number 42,921 excluding 42,921?
A: 22,599
The factors of the number 42,921 are: 1, 3, 9, 19, 57, 171, 251, 753, 2259, 4769, 14307, 42921.
If you add them up, you will get the total of 42,943. Now subtract 42,921 to get 22,599