21618608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122833}}^1$

素因数の和:122852

約数の個数: 20

約数和(自身を含む): 45694248

約数和(自身を除く): 24075640

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122833, 245666, 491332, 982664, 1351163, 1965328, 2702326, 5404652, 10809304, 21618608]

約数ペア:

[(1, 21618608), (2, 10809304), (4, 5404652), (8, 2702326), (11, 1965328), (16, 1351163), (22, 982664), (44, 491332), (88, 245666), (176, 122833)]