Q: What is the sum of all factors of the number 21,261,620 excluding 21,261,620?
A: 23,644,780
The factors of the number 21,261,620 are: 1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5939, 11878, 23756, 29695, 59390, 118780, 1063081, 2126162, 4252324, 5315405, 10630810, 21261620.
If you add them up, you will get the total of 21,261,643. Now subtract 21,261,620 to get 23,644,780