Q: What is the sum of all factors of the number 211,121,209 excluding 211,121,209?
A: 28,508,615
The factors of the number 211,121,209 are: 1, 13, 23, 101, 299, 1313, 2323, 6991, 30199, 90883, 160793, 706091, 2090309, 9179183, 16240093, 211121209.
If you add them up, you will get the total of 211,121,237. Now subtract 211,121,209 to get 28,508,615