21863619

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 32624592

約数和(自身を除く): 10760973

約数列:

[1, 3, 9, 41, 123, 193, 307, 369, 579, 921, 1737, 2763, 7913, 12587, 23739, 37761, 59251, 71217, 113283, 177753, 533259, 2429291, 7287873, 21863619]

約数ペア:

[(1, 21863619), (3, 7287873), (9, 2429291), (41, 533259), (123, 177753), (193, 113283), (307, 71217), (369, 59251), (579, 37761), (921, 23739), (1737, 12587), (2763, 7913)]