21118328

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34283}}^1$

素因数の和:34307

約数の個数: 32

約数和(自身を含む): 49368960

約数和(自身を除く): 28250632

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34283, 68566, 137132, 239981, 274264, 377113, 479962, 754226, 959924, 1508452, 1919848, 2639791, 3016904, 5279582, 10559164, 21118328]

約数ペア:

[(1, 21118328), (2, 10559164), (4, 5279582), (7, 3016904), (8, 2639791), (11, 1919848), (14, 1508452), (22, 959924), (28, 754226), (44, 479962), (56, 377113), (77, 274264), (88, 239981), (154, 137132), (308, 68566), (616, 34283)]