42170008

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{21001}}^1$

素因数の和:21258

約数の個数: 16

約数和(自身を含む): 79387560

約数和(自身を除く): 37217552

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 21001, 42002, 84004, 168008, 5271251, 10542502, 21085004, 42170008]

約数ペア:

[(1, 42170008), (2, 21085004), (4, 10542502), (8, 5271251), (251, 168008), (502, 84004), (1004, 42002), (2008, 21001)]