21158522

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137393}}^1$

素因数の和:137413

約数の個数: 16

約数和(自身を含む): 39569472

約数和(自身を除く): 18410950

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 137393, 274786, 961751, 1511323, 1923502, 3022646, 10579261, 21158522]

約数ペア:

[(1, 21158522), (2, 10579261), (7, 3022646), (11, 1923502), (14, 1511323), (22, 961751), (77, 274786), (154, 137393)]