21528786

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1487}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 45711360

約数和(自身を除く): 24182574

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 127, 254, 381, 762, 1487, 2413, 2974, 4461, 4826, 7239, 8922, 14478, 28253, 56506, 84759, 169518, 188849, 377698, 566547, 1133094, 3588131, 7176262, 10764393, 21528786]

約数ペア:

[(1, 21528786), (2, 10764393), (3, 7176262), (6, 3588131), (19, 1133094), (38, 566547), (57, 377698), (114, 188849), (127, 169518), (254, 84759), (381, 56506), (762, 28253), (1487, 14478), (2413, 8922), (2974, 7239), (4461, 4826)]