21205084

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 38203200

約数和(自身を除く): 16998116

約数列:

[1, 2, 4, 47, 94, 149, 188, 298, 596, 757, 1514, 3028, 7003, 14006, 28012, 35579, 71158, 112793, 142316, 225586, 451172, 5301271, 10602542, 21205084]

約数ペア:

[(1, 21205084), (2, 10602542), (4, 5301271), (47, 451172), (94, 225586), (149, 142316), (188, 112793), (298, 71158), (596, 35579), (757, 28012), (1514, 14006), (3028, 7003)]