21647856

素因数分解:

$2^4\times 3^1\times {\mathrm{450997}}^1$

素因数の和:451008

約数の個数: 20

約数和(自身を含む): 55923752

約数和(自身を除く): 34275896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 450997, 901994, 1352991, 1803988, 2705982, 3607976, 5411964, 7215952, 10823928, 21647856]

約数ペア:

[(1, 21647856), (2, 10823928), (3, 7215952), (4, 5411964), (6, 3607976), (8, 2705982), (12, 1803988), (16, 1352991), (24, 901994), (48, 450997)]