Q: What is the sum of all factors of the number 21,214,515 excluding 21,214,515?
A: 18,921,165
The factors of the number 21,214,515 are: 1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6967, 20901, 34835, 48769, 104505, 146307, 202043, 243845, 606129, 731535, 1010215, 1414301, 3030645, 4242903, 7071505, 21214515.
If you add them up, you will get the total of 21,214,533. Now subtract 21,214,515 to get 18,921,165