21630172

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{709}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 39362400

約数和(自身を除く): 17732228

約数列:

[1, 2, 4, 29, 58, 116, 263, 526, 709, 1052, 1418, 2836, 7627, 15254, 20561, 30508, 41122, 82244, 186467, 372934, 745868, 5407543, 10815086, 21630172]

約数ペア:

[(1, 21630172), (2, 10815086), (4, 5407543), (29, 745868), (58, 372934), (116, 186467), (263, 82244), (526, 41122), (709, 30508), (1052, 20561), (1418, 15254), (2836, 7627)]