21117616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101527}}^1$

素因数の和:101548

約数の個数: 20

約数和(自身を含む): 44063152

約数和(自身を除く): 22945536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101527, 203054, 406108, 812216, 1319851, 1624432, 2639702, 5279404, 10558808, 21117616]

約数ペア:

[(1, 21117616), (2, 10558808), (4, 5279404), (8, 2639702), (13, 1624432), (16, 1319851), (26, 812216), (52, 406108), (104, 203054), (208, 101527)]