21061089

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3067}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 35097920

約数和(自身を除く): 14036831

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 3067, 6867, 9201, 21469, 27603, 64407, 193221, 334303, 1002909, 2340121, 3008727, 7020363, 21061089]

約数ペア:

[(1, 21061089), (3, 7020363), (7, 3008727), (9, 2340121), (21, 1002909), (63, 334303), (109, 193221), (327, 64407), (763, 27603), (981, 21469), (2289, 9201), (3067, 6867)]