21162724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11731}}^1$

素因数の和:11787

約数の個数: 24

約数和(自身を含む): 41390496

約数和(自身を除く): 20227772

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11731, 23462, 46924, 129041, 258082, 480971, 516164, 961942, 1923884, 5290681, 10581362, 21162724]

約数ペア:

[(1, 21162724), (2, 10581362), (4, 5290681), (11, 1923884), (22, 961942), (41, 516164), (44, 480971), (82, 258082), (164, 129041), (451, 46924), (902, 23462), (1804, 11731)]