Q: What is the sum of all factors of the number 19,875 excluding 19,875?
A: 13,821
The factors of the number 19,875 are: 1, 3, 5, 15, 25, 53, 75, 125, 159, 265, 375, 795, 1325, 3975, 6625, 19875.
If you add them up, you will get the total of 19,888. Now subtract 19,875 to get 13,821