21342849

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{673}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 32125536

約数和(自身を除く): 10782687

約数列:

[1, 3, 11, 31, 33, 93, 341, 673, 961, 1023, 2019, 2883, 7403, 10571, 20863, 22209, 31713, 62589, 229493, 646753, 688479, 1940259, 7114283, 21342849]

約数ペア:

[(1, 21342849), (3, 7114283), (11, 1940259), (31, 688479), (33, 646753), (93, 229493), (341, 62589), (673, 31713), (961, 22209), (1023, 20863), (2019, 10571), (2883, 7403)]