Q: What is the sum of all factors of the number 421,130,421 excluding 421,130,421?
A: 255,822,219
The factors of the number 421,130,421 are: 1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 243, 477, 513, 1007, 1431, 1539, 1721, 3021, 4293, 4617, 5163, 9063, 12879, 15489, 27189, 32699, 46467, 81567, 91213, 98097, 139401, 244701, 273639, 294291, 418203, 820917, 882873, 1733047, 2462751, 2648619, 5199141, 7388253, 7945857, 15597423, 22164759, 46792269, 140376807, 421130421.
If you add them up, you will get the total of 421,130,676. Now subtract 421,130,421 to get 255,822,219