21642100479

素因数分解:

$3^3\times {\mathrm{397}}^1\times {\mathrm{2019041}}^1$

素因数の和:2019447

約数の個数: 16

約数和(自身を含む): 32143148640

約数和(自身を除く): 10501048161

約数列:

[1, 3, 9, 27, 397, 1191, 3573, 10719, 2019041, 6057123, 18171369, 54514107, 801559277, 2404677831, 7214033493, 21642100479]

約数ペア:

[(1, 21642100479), (3, 7214033493), (9, 2404677831), (27, 801559277), (397, 54514107), (1191, 18171369), (3573, 6057123), (10719, 2019041)]