21042152

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{17419}}^1$

素因数の和:17576

約数の個数: 16

約数和(自身を含む): 39717600

約数和(自身を除く): 18675448

約数列:

[1, 2, 4, 8, 151, 302, 604, 1208, 17419, 34838, 69676, 139352, 2630269, 5260538, 10521076, 21042152]

約数ペア:

[(1, 21042152), (2, 10521076), (4, 5260538), (8, 2630269), (151, 139352), (302, 69676), (604, 34838), (1208, 17419)]