21778449

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3251}}^1$

素因数の和:3301

約数の個数: 32

約数和(自身を含む): 37463040

約数和(自身を除く): 15684591

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 3251, 6699, 9753, 22757, 35761, 68271, 94279, 107283, 250327, 282837, 659953, 750981, 1037069, 1979859, 3111207, 7259483, 21778449]

約数ペア:

[(1, 21778449), (3, 7259483), (7, 3111207), (11, 1979859), (21, 1037069), (29, 750981), (33, 659953), (77, 282837), (87, 250327), (203, 107283), (231, 94279), (319, 68271), (609, 35761), (957, 22757), (2233, 9753), (3251, 6699)]