21804302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49331}}^1$

素因数の和:49363

約数の個数: 16

約数和(自身を含む): 37294992

約数和(自身を除く): 15490690

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49331, 98662, 641303, 838627, 1282606, 1677254, 10902151, 21804302]

約数ペア:

[(1, 21804302), (2, 10902151), (13, 1677254), (17, 1282606), (26, 838627), (34, 641303), (221, 98662), (442, 49331)]