21990959988

素因数分解:

$2^2\times 3^1\times {\mathrm{1832579999}}^1$

素因数の和:1832580006

約数の個数: 12

約数和(自身を含む): 51312240000

約数和(自身を除く): 29321280012

約数列:

[1, 2, 3, 4, 6, 12, 1832579999, 3665159998, 5497739997, 7330319996, 10995479994, 21990959988]

約数ペア:

[(1, 21990959988), (2, 10995479994), (3, 7330319996), (4, 5497739997), (6, 3665159998), (12, 1832579999)]