21232310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10159}}^1$

素因数の和:10196

約数の個数: 32

約数和(自身を含む): 43891200

約数和(自身を除く): 22658890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 10159, 20318, 50795, 101590, 111749, 193021, 223498, 386042, 558745, 965105, 1117490, 1930210, 2123231, 4246462, 10616155, 21232310]

約数ペア:

[(1, 21232310), (2, 10616155), (5, 4246462), (10, 2123231), (11, 1930210), (19, 1117490), (22, 965105), (38, 558745), (55, 386042), (95, 223498), (110, 193021), (190, 111749), (209, 101590), (418, 50795), (1045, 20318), (2090, 10159)]