Q: What is the sum of all factors of the number 21,505,005 excluding 21,505,005?
A: 15,954,963
The factors of the number 21,505,005 are: 1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 2143, 3345, 6429, 10035, 10715, 19287, 32145, 96435, 477889, 1433667, 2389445, 4301001, 7168335, 21505005.
If you add them up, you will get the total of 21,505,020. Now subtract 21,505,005 to get 15,954,963