Q: What is the sum of all factors of the number 21,171,020 excluding 21,171,020?
A: 27,219,028
The factors of the number 21,171,020 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 761, 1070, 1391, 1522, 2140, 2782, 3044, 3805, 5564, 6955, 7610, 9893, 13910, 15220, 19786, 27820, 39572, 49465, 81427, 98930, 162854, 197860, 325708, 407135, 814270, 1058551, 1628540, 2117102, 4234204, 5292755, 10585510, 21171020.
If you add them up, you will get the total of 21,171,047. Now subtract 21,171,020 to get 27,219,028