21624866

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1349

約数の個数: 16

約数和(自身を含む): 33208440

約数和(自身を除く): 11583574

約数列:

[1, 2, 61, 122, 157, 314, 1129, 2258, 9577, 19154, 68869, 137738, 177253, 354506, 10812433, 21624866]

約数ペア:

[(1, 21624866), (2, 10812433), (61, 354506), (122, 177253), (157, 137738), (314, 68869), (1129, 19154), (2258, 9577)]