21721167374

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{2939}}^1$

素因数の和:3464

約数の個数: 32

約数和(自身を含む): 33333672960

約数和(自身を除く): 11612505586

約数列:

[1, 2, 73, 146, 223, 227, 446, 454, 2939, 5878, 16279, 16571, 32558, 33142, 50621, 101242, 214547, 429094, 655397, 667153, 1310794, 1334306, 3695333, 7390666, 47843981, 48702169, 95687962, 97404338, 148775119, 297550238, 10860583687, 21721167374]

約数ペア:

[(1, 21721167374), (2, 10860583687), (73, 297550238), (146, 148775119), (223, 97404338), (227, 95687962), (446, 48702169), (454, 47843981), (2939, 7390666), (5878, 3695333), (16279, 1334306), (16571, 1310794), (32558, 667153), (33142, 655397), (50621, 429094), (101242, 214547)]