21630037

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 26883360

約数和(自身を除く): 5253323

約数列:

[1, 11, 13, 19, 143, 209, 247, 361, 419, 2717, 3971, 4609, 4693, 5447, 7961, 51623, 59917, 87571, 103493, 151259, 1138423, 1663849, 1966367, 21630037]

約数ペア:

[(1, 21630037), (11, 1966367), (13, 1663849), (19, 1138423), (143, 151259), (209, 103493), (247, 87571), (361, 59917), (419, 51623), (2717, 7961), (3971, 5447), (4609, 4693)]