21066266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8353}}^1$

素因数の和:8465

約数の個数: 16

約数和(自身を含む): 34385064

約数和(自身を除く): 13318798

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 8353, 16706, 108589, 217178, 810241, 1620482, 10533133, 21066266]

約数ペア:

[(1, 21066266), (2, 10533133), (13, 1620482), (26, 810241), (97, 217178), (194, 108589), (1261, 16706), (2522, 8353)]