Q: What is the sum of all factors of the number 21,521,660 excluding 21,521,660?
A: 26,333,140
The factors of the number 21,521,660 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 63299, 126598, 253196, 316495, 632990, 1076083, 1265980, 2152166, 4304332, 5380415, 10760830, 21521660.
If you add them up, you will get the total of 21,521,686. Now subtract 21,521,660 to get 26,333,140