21390102

素因数分解:

$2^1\times 3^3\times {\mathrm{127}}^1\times {\mathrm{3119}}^1$

素因数の和:3257

約数の個数: 32

約数和(自身を含む): 47923200

約数和(自身を除く): 26533098

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 127, 254, 381, 762, 1143, 2286, 3119, 3429, 6238, 6858, 9357, 18714, 28071, 56142, 84213, 168426, 396113, 792226, 1188339, 2376678, 3565017, 7130034, 10695051, 21390102]

約数ペア:

[(1, 21390102), (2, 10695051), (3, 7130034), (6, 3565017), (9, 2376678), (18, 1188339), (27, 792226), (54, 396113), (127, 168426), (254, 84213), (381, 56142), (762, 28071), (1143, 18714), (2286, 9357), (3119, 6858), (3429, 6238)]