Q: What is the sum of all factors of the number 42,039 excluding 42,039?
A: 21,297
The factors of the number 42,039 are: 1, 3, 9, 27, 81, 173, 243, 519, 1557, 4671, 14013, 42039.
If you add them up, you will get the total of 42,060. Now subtract 42,039 to get 21,297