Q: What is the sum of all factors of the number 213,540 excluding 213,540?
A: 384,540
The factors of the number 213,540 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3559, 7118, 10677, 14236, 17795, 21354, 35590, 42708, 53385, 71180, 106770, 213540.
If you add them up, you will get the total of 213,924. Now subtract 213,540 to get 384,540