21446073

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 34951680

約数和(自身を除く): 13505607

約数列:

[1, 3, 9, 11, 27, 33, 99, 163, 297, 443, 489, 1329, 1467, 1793, 3987, 4401, 4873, 5379, 11961, 14619, 16137, 43857, 48411, 72209, 131571, 216627, 649881, 794299, 1949643, 2382897, 7148691, 21446073]

約数ペア:

[(1, 21446073), (3, 7148691), (9, 2382897), (11, 1949643), (27, 794299), (33, 649881), (99, 216627), (163, 131571), (297, 72209), (443, 48411), (489, 43857), (1329, 16137), (1467, 14619), (1793, 11961), (3987, 5379), (4401, 4873)]