21609654

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{327419}}^1$

素因数の和:327435

約数の個数: 16

約数和(自身を含む): 47148480

約数和(自身を除く): 25538826

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 327419, 654838, 982257, 1964514, 3601609, 7203218, 10804827, 21609654]

約数ペア:

[(1, 21609654), (2, 10804827), (3, 7203218), (6, 3601609), (11, 1964514), (22, 982257), (33, 654838), (66, 327419)]