Q: What is the sum of all factors of the number 2,153,421 excluding 2,153,421?
A: 1,156,275
The factors of the number 2,153,421 are: 1, 3, 9, 23, 69, 101, 103, 207, 303, 309, 909, 927, 2323, 2369, 6969, 7107, 10403, 20907, 21321, 31209, 93627, 239269, 717807, 2153421.
If you add them up, you will get the total of 2,153,422. Now subtract 2,153,421 to get 1,156,275