21570846

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{326831}}^1$

素因数の和:326847

約数の個数: 16

約数和(自身を含む): 47063808

約数和(自身を除く): 25492962

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 326831, 653662, 980493, 1960986, 3595141, 7190282, 10785423, 21570846]

約数ペア:

[(1, 21570846), (2, 10785423), (3, 7190282), (6, 3595141), (11, 1960986), (22, 980493), (33, 653662), (66, 326831)]