21193107

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41801}}^1$

素因数の和:41830

約数の個数: 12

約数和(自身を含む): 30599064

約数和(自身を除く): 9405957

約数列:

[1, 3, 13, 39, 169, 507, 41801, 125403, 543413, 1630239, 7064369, 21193107]

約数ペア:

[(1, 21193107), (3, 7064369), (13, 1630239), (39, 543413), (169, 125403), (507, 41801)]