Q: What is the sum of all factors of the number 21,006 excluding 21,006?
A: 25,794
The factors of the number 21,006 are: 1, 2, 3, 6, 9, 18, 27, 54, 389, 778, 1167, 2334, 3501, 7002, 10503, 21006.
If you add them up, you will get the total of 21,031. Now subtract 21,006 to get 25,794