21916286

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2347}}^1$

素因数の和:2408

約数の個数: 32

約数和(自身を含む): 40573440

約数和(自身を除く): 18657154

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 203, 322, 406, 667, 1334, 2347, 4669, 4694, 9338, 16429, 32858, 53981, 68063, 107962, 136126, 377867, 476441, 755734, 952882, 1565449, 3130898, 10958143, 21916286]

約数ペア:

[(1, 21916286), (2, 10958143), (7, 3130898), (14, 1565449), (23, 952882), (29, 755734), (46, 476441), (58, 377867), (161, 136126), (203, 107962), (322, 68063), (406, 53981), (667, 32858), (1334, 16429), (2347, 9338), (4669, 4694)]