21133016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139033}}^1$

素因数の和:139058

約数の個数: 16

約数和(自身を含む): 41710200

約数和(自身を除く): 20577184

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 139033, 278066, 556132, 1112264, 2641627, 5283254, 10566508, 21133016]

約数ペア:

[(1, 21133016), (2, 10566508), (4, 5283254), (8, 2641627), (19, 1112264), (38, 556132), (76, 278066), (152, 139033)]