21695037

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{6113}}^1$

素因数の和:6149

約数の個数: 24

約数和(自身を含む): 35803584

約数和(自身を除く): 14108547

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 6113, 18339, 42791, 79469, 128373, 238407, 556283, 1033097, 1668849, 3099291, 7231679, 21695037]

約数ペア:

[(1, 21695037), (3, 7231679), (7, 3099291), (13, 1668849), (21, 1033097), (39, 556283), (91, 238407), (169, 128373), (273, 79469), (507, 42791), (1183, 18339), (3549, 6113)]