21877114

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4721}}^1$

素因数の和:5061

約数の個数: 16

約数和(自身を含む): 37624896

約数和(自身を除く): 15747782

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4634, 4721, 9442, 33047, 66094, 1562651, 3125302, 10938557, 21877114]

約数ペア:

[(1, 21877114), (2, 10938557), (7, 3125302), (14, 1562651), (331, 66094), (662, 33047), (2317, 9442), (4634, 4721)]