21386472

素因数分解:

$2^3\times 3^1\times {\mathrm{891103}}^1$

素因数の和:891112

約数の個数: 16

約数和(自身を含む): 53466240

約数和(自身を除く): 32079768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 891103, 1782206, 2673309, 3564412, 5346618, 7128824, 10693236, 21386472]

約数ペア:

[(1, 21386472), (2, 10693236), (3, 7128824), (4, 5346618), (6, 3564412), (8, 2673309), (12, 1782206), (24, 891103)]