21597016

素因数分解:

$2^3\times 7^1\times {\mathrm{385661}}^1$

素因数の和:385674

約数の個数: 16

約数和(自身を含む): 46279440

約数和(自身を除く): 24682424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 385661, 771322, 1542644, 2699627, 3085288, 5399254, 10798508, 21597016]

約数ペア:

[(1, 21597016), (2, 10798508), (4, 5399254), (7, 3085288), (8, 2699627), (14, 1542644), (28, 771322), (56, 385661)]