21213310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19221890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 311, 359, 622, 718, 1555, 1795, 3110, 3590, 5909, 6821, 11818, 13642, 29545, 34105, 59090, 68210, 111649, 223298, 558245, 1116490, 2121331, 4242662, 10606655, 21213310]

約数ペア:

[(1, 21213310), (2, 10606655), (5, 4242662), (10, 2121331), (19, 1116490), (38, 558245), (95, 223298), (190, 111649), (311, 68210), (359, 59090), (622, 34105), (718, 29545), (1555, 13642), (1795, 11818), (3110, 6821), (3590, 5909)]