21335268

素因数分解:

$2^2\times 3^1\times {\mathrm{1777939}}^1$

素因数の和:1777946

約数の個数: 12

約数和(自身を含む): 49782320

約数和(自身を除く): 28447052

約数列:

[1, 2, 3, 4, 6, 12, 1777939, 3555878, 5333817, 7111756, 10667634, 21335268]

約数ペア:

[(1, 21335268), (2, 10667634), (3, 7111756), (4, 5333817), (6, 3555878), (12, 1777939)]