21966507

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1831}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 33532928

約数和(自身を除く): 11566421

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 1831, 3999, 5493, 11997, 16479, 56761, 78733, 170283, 236199, 510849, 708597, 2440723, 7322169, 21966507]

約数ペア:

[(1, 21966507), (3, 7322169), (9, 2440723), (31, 708597), (43, 510849), (93, 236199), (129, 170283), (279, 78733), (387, 56761), (1333, 16479), (1831, 11997), (3999, 5493)]