21102627

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4547}}^1$

素因数の和:4587

約数の個数: 32

約数和(自身を含む): 36675072

約数和(自身を除く): 15572445

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4547, 4641, 13641, 31829, 59111, 77299, 95487, 177333, 231897, 413777, 541093, 1004887, 1241331, 1623279, 3014661, 7034209, 21102627]

約数ペア:

[(1, 21102627), (3, 7034209), (7, 3014661), (13, 1623279), (17, 1241331), (21, 1004887), (39, 541093), (51, 413777), (91, 231897), (119, 177333), (221, 95487), (273, 77299), (357, 59111), (663, 31829), (1547, 13641), (4547, 4641)]