21765722

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1774

約数の個数: 24

約数和(自身を含む): 36585108

約数和(自身を除く): 14819386

約数列:

[1, 2, 11, 22, 53, 106, 121, 242, 583, 1166, 1697, 3394, 6413, 12826, 18667, 37334, 89941, 179882, 205337, 410674, 989351, 1978702, 10882861, 21765722]

約数ペア:

[(1, 21765722), (2, 10882861), (11, 1978702), (22, 989351), (53, 410674), (106, 205337), (121, 179882), (242, 89941), (583, 37334), (1166, 18667), (1697, 12826), (3394, 6413)]