21729912

素因数分解:

$2^3\times 3^1\times {\mathrm{905413}}^1$

素因数の和:905422

約数の個数: 16

約数和(自身を含む): 54324840

約数和(自身を除く): 32594928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 905413, 1810826, 2716239, 3621652, 5432478, 7243304, 10864956, 21729912]

約数ペア:

[(1, 21729912), (2, 10864956), (3, 7243304), (4, 5432478), (6, 3621652), (8, 2716239), (12, 1810826), (24, 905413)]