21405033

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4691}}^1$

素因数の和:4726

約数の個数: 24

約数和(自身を含む): 34345440

約数和(自身を除く): 12940407

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 4691, 14073, 42219, 60983, 126657, 182949, 548847, 792779, 1646541, 2378337, 7135011, 21405033]

約数ペア:

[(1, 21405033), (3, 7135011), (9, 2378337), (13, 1646541), (27, 792779), (39, 548847), (117, 182949), (169, 126657), (351, 60983), (507, 42219), (1521, 14073), (4563, 4691)]