Q: What is the sum of all factors of the number 21,145,671 excluding 21,145,671?
A: 13,483,449
The factors of the number 21,145,671 are: 1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 2003, 3519, 6009, 10557, 18027, 34051, 46069, 54081, 102153, 138207, 306459, 414621, 783173, 919377, 1243863, 2349519, 7048557, 21145671.
If you add them up, you will get the total of 21,145,684. Now subtract 21,145,671 to get 13,483,449