21348929378

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80259133}}^1$

素因数の和:80259161

約数の個数: 16

約数和(自身を含む): 38524384320

約数和(自身を除く): 17175454942

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 80259133, 160518266, 561813931, 1123627862, 1524923527, 3049847054, 10674464689, 21348929378]

約数ペア:

[(1, 21348929378), (2, 10674464689), (7, 3049847054), (14, 1524923527), (19, 1123627862), (38, 561813931), (133, 160518266), (266, 80259133)]