21813864

素因数分解:

$2^3\times 3^1\times {\mathrm{908911}}^1$

素因数の和:908920

約数の個数: 16

約数和(自身を含む): 54534720

約数和(自身を除く): 32720856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 908911, 1817822, 2726733, 3635644, 5453466, 7271288, 10906932, 21813864]

約数ペア:

[(1, 21813864), (2, 10906932), (3, 7271288), (4, 5453466), (6, 3635644), (8, 2726733), (12, 1817822), (24, 908911)]