21426156978

素因数分解:

$2^1\times 3^1\times {\mathrm{673}}^1\times {\mathrm{5306131}}^1$

素因数の和:5306809

約数の個数: 16

約数和(自身を含む): 42915995616

約数和(自身を除く): 21489838638

約数列:

[1, 2, 3, 6, 673, 1346, 2019, 4038, 5306131, 10612262, 15918393, 31836786, 3571026163, 7142052326, 10713078489, 21426156978]

約数ペア:

[(1, 21426156978), (2, 10713078489), (3, 7142052326), (6, 3571026163), (673, 31836786), (1346, 15918393), (2019, 10612262), (4038, 5306131)]