21001222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 36694944

約数和(自身を除く): 15693722

約数列:

[1, 2, 11, 17, 22, 34, 187, 233, 241, 374, 466, 482, 2563, 2651, 3961, 4097, 5126, 5302, 7922, 8194, 43571, 45067, 56153, 87142, 90134, 112306, 617683, 954601, 1235366, 1909202, 10500611, 21001222]

約数ペア:

[(1, 21001222), (2, 10500611), (11, 1909202), (17, 1235366), (22, 954601), (34, 617683), (187, 112306), (233, 90134), (241, 87142), (374, 56153), (466, 45067), (482, 43571), (2563, 8194), (2651, 7922), (3961, 5302), (4097, 5126)]