21961014

素因数分解:

$2^1\times 3^1\times {\mathrm{1831}}^1\times {\mathrm{1999}}^1$

素因数の和:3835

約数の個数: 16

約数和(自身を含む): 43968000

約数和(自身を除く): 22006986

約数列:

[1, 2, 3, 6, 1831, 1999, 3662, 3998, 5493, 5997, 10986, 11994, 3660169, 7320338, 10980507, 21961014]

約数ペア:

[(1, 21961014), (2, 10980507), (3, 7320338), (6, 3660169), (1831, 11994), (1999, 10986), (3662, 5997), (3998, 5493)]