21253338

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17623}}^1$

素因数の和:17698

約数の個数: 24

約数和(自身を含む): 46738848

約数和(自身を除く): 25485510

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17623, 35246, 52869, 105738, 158607, 317214, 1180741, 2361482, 3542223, 7084446, 10626669, 21253338]

約数ペア:

[(1, 21253338), (2, 10626669), (3, 7084446), (6, 3542223), (9, 2361482), (18, 1180741), (67, 317214), (134, 158607), (201, 105738), (402, 52869), (603, 35246), (1206, 17623)]