21545017

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 23904720

約数和(自身を除く): 2359703

約数列:

[1, 13, 61, 101, 269, 793, 1313, 3497, 6161, 16409, 27169, 80093, 213317, 353197, 1657309, 21545017]

約数ペア:

[(1, 21545017), (13, 1657309), (61, 353197), (101, 213317), (269, 80093), (793, 27169), (1313, 16409), (3497, 6161)]