21928187953

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1049}}^1\times {\mathrm{175663}}^1$

素因数の和:176736

約数の個数: 16

約数和(自身を含む): 26560396800

約数和(自身を除く): 4632208847

約数列:

[1, 7, 17, 119, 1049, 7343, 17833, 124831, 175663, 1229641, 2986271, 20903897, 184270487, 1289893409, 3132598279, 21928187953]

約数ペア:

[(1, 21928187953), (7, 3132598279), (17, 1289893409), (119, 184270487), (1049, 20903897), (7343, 2986271), (17833, 1229641), (124831, 175663)]