21120024

素因数分解:

$2^3\times 3^1\times {\mathrm{880001}}^1$

素因数の和:880010

約数の個数: 16

約数和(自身を含む): 52800120

約数和(自身を除く): 31680096

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 880001, 1760002, 2640003, 3520004, 5280006, 7040008, 10560012, 21120024]

約数ペア:

[(1, 21120024), (2, 10560012), (3, 7040008), (4, 5280006), (6, 3520004), (8, 2640003), (12, 1760002), (24, 880001)]