21856986

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{9413}}^1$

素因数の和:9467

約数の個数: 32

約数和(自身を含む): 49705920

約数和(自身を除く): 27848934

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 9413, 18826, 28239, 56478, 84717, 169434, 254151, 404759, 508302, 809518, 1214277, 2428554, 3642831, 7285662, 10928493, 21856986]

約数ペア:

[(1, 21856986), (2, 10928493), (3, 7285662), (6, 3642831), (9, 2428554), (18, 1214277), (27, 809518), (43, 508302), (54, 404759), (86, 254151), (129, 169434), (258, 84717), (387, 56478), (774, 28239), (1161, 18826), (2322, 9413)]