21056554491

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2333}}^1\times {\mathrm{3943}}^1$

素因数の和:6395

約数の個数: 32

約数和(自身を含む): 32402641920

約数和(自身を除く): 11346087429

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 2333, 3943, 6999, 11829, 16331, 27601, 48993, 82803, 254297, 429787, 762891, 1289361, 1780079, 3008509, 5340237, 9025527, 9199019, 27597057, 64393133, 193179399, 1002693071, 3008079213, 7018851497, 21056554491]

約数ペア:

[(1, 21056554491), (3, 7018851497), (7, 3008079213), (21, 1002693071), (109, 193179399), (327, 64393133), (763, 27597057), (2289, 9199019), (2333, 9025527), (3943, 5340237), (6999, 3008509), (11829, 1780079), (16331, 1289361), (27601, 762891), (48993, 429787), (82803, 254297)]