21216912

素因数分解:

$2^4\times 3^1\times {\mathrm{442019}}^1$

素因数の和:442030

約数の個数: 20

約数和(自身を含む): 54810480

約数和(自身を除く): 33593568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442019, 884038, 1326057, 1768076, 2652114, 3536152, 5304228, 7072304, 10608456, 21216912]

約数ペア:

[(1, 21216912), (2, 10608456), (3, 7072304), (4, 5304228), (6, 3536152), (8, 2652114), (12, 1768076), (16, 1326057), (24, 884038), (48, 442019)]