21986904

素因数分解:

$2^3\times 3^1\times {\mathrm{916121}}^1$

素因数の和:916130

約数の個数: 16

約数和(自身を含む): 54967320

約数和(自身を除く): 32980416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 916121, 1832242, 2748363, 3664484, 5496726, 7328968, 10993452, 21986904]

約数ペア:

[(1, 21986904), (2, 10993452), (3, 7328968), (4, 5496726), (6, 3664484), (8, 2748363), (12, 1832242), (24, 916121)]