21543054

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 46757760

約数和(自身を除く): 25214706

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 1987, 3614, 3974, 5421, 5961, 10842, 11922, 25831, 51662, 77493, 154986, 276193, 552386, 828579, 1657158, 3590509, 7181018, 10771527, 21543054]

約数ペア:

[(1, 21543054), (2, 10771527), (3, 7181018), (6, 3590509), (13, 1657158), (26, 828579), (39, 552386), (78, 276193), (139, 154986), (278, 77493), (417, 51662), (834, 25831), (1807, 11922), (1987, 10842), (3614, 5961), (3974, 5421)]