21589852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4657}}^1$

素因数の和:4741

約数の個数: 24

約数和(自身を含む): 40431440

約数和(自身を除く): 18841588

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 4657, 9314, 18628, 88483, 176966, 284077, 353932, 568154, 1136308, 5397463, 10794926, 21589852]

約数ペア:

[(1, 21589852), (2, 10794926), (4, 5397463), (19, 1136308), (38, 568154), (61, 353932), (76, 284077), (122, 176966), (244, 88483), (1159, 18628), (2318, 9314), (4636, 4657)]