21453399

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1559}}^1$

素因数の和:1715

約数の個数: 24

約数和(自身を含む): 34070400

約数和(自身を除く): 12617001

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1529, 1559, 4587, 4677, 13761, 14031, 17149, 51447, 154341, 216701, 650103, 1950309, 2383711, 7151133, 21453399]

約数ペア:

[(1, 21453399), (3, 7151133), (9, 2383711), (11, 1950309), (33, 650103), (99, 216701), (139, 154341), (417, 51447), (1251, 17149), (1529, 14031), (1559, 13761), (4587, 4677)]