21160018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23459}}^1$

素因数の和:23513

約数の個数: 16

約数和(自身を含む): 35471520

約数和(自身を除く): 14311502

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23459, 46918, 258049, 516098, 961819, 1923638, 10580009, 21160018]

約数ペア:

[(1, 21160018), (2, 10580009), (11, 1923638), (22, 961819), (41, 516098), (82, 258049), (451, 46918), (902, 23459)]