21553114

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{7151}}^1$

素因数の和:7301

約数の個数: 16

約数和(自身を含む): 35531136

約数和(自身を除く): 13978022

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 7151, 14302, 78661, 157322, 979687, 1959374, 10776557, 21553114]

約数ペア:

[(1, 21553114), (2, 10776557), (11, 1959374), (22, 979687), (137, 157322), (274, 78661), (1507, 14302), (3014, 7151)]