21255557134

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2276243}}^1$

素因数の和:2276304

約数の個数: 32

約数和(自身を含む): 39333496320

約数和(自身を除く): 18077939186

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 203, 322, 406, 667, 1334, 4669, 9338, 2276243, 4552486, 15933701, 31867402, 52353589, 66011047, 104707178, 132022094, 366475123, 462077329, 732950246, 924154658, 1518254081, 3036508162, 10627778567, 21255557134]

約数ペア:

[(1, 21255557134), (2, 10627778567), (7, 3036508162), (14, 1518254081), (23, 924154658), (29, 732950246), (46, 462077329), (58, 366475123), (161, 132022094), (203, 104707178), (322, 66011047), (406, 52353589), (667, 31867402), (1334, 15933701), (4669, 4552486), (9338, 2276243)]