Q: What is the sum of all factors of the number 3,645,621 excluding 3,645,621?
A: 2,527,179
The factors of the number 3,645,621 are: 1, 3, 7, 9, 21, 27, 63, 189, 19289, 57867, 135023, 173601, 405069, 520803, 1215207, 3645621.
If you add them up, you will get the total of 3,645,623. Now subtract 3,645,621 to get 2,527,179