21002067

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 31050864

約数和(自身を除く): 10048797

約数列:

[1, 3, 9, 107, 113, 193, 321, 339, 579, 963, 1017, 1737, 12091, 20651, 21809, 36273, 61953, 65427, 108819, 185859, 196281, 2333563, 7000689, 21002067]

約数ペア:

[(1, 21002067), (3, 7000689), (9, 2333563), (107, 196281), (113, 185859), (193, 108819), (321, 65427), (339, 61953), (579, 36273), (963, 21809), (1017, 20651), (1737, 12091)]