21997071010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1\times {\mathrm{126631}}^1$

素因数の和:127266

約数の個数: 32

約数和(自身を含む): 41028768000

約数和(自身を除く): 19031696990

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 599, 1198, 2995, 5990, 17371, 34742, 86855, 126631, 173710, 253262, 633155, 1266310, 3672299, 7344598, 18361495, 36722990, 75851969, 151703938, 379259845, 758519690, 2199707101, 4399414202, 10998535505, 21997071010]

約数ペア:

[(1, 21997071010), (2, 10998535505), (5, 4399414202), (10, 2199707101), (29, 758519690), (58, 379259845), (145, 151703938), (290, 75851969), (599, 36722990), (1198, 18361495), (2995, 7344598), (5990, 3672299), (17371, 1266310), (34742, 633155), (86855, 253262), (126631, 173710)]