21702659824

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8982889}}^1$

素因数の和:8983048

約数の個数: 20

約数和(自身を含む): 42327377680

約数和(自身を除く): 20624717856

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8982889, 17965778, 35931556, 71863112, 143726224, 1356416239, 2712832478, 5425664956, 10851329912, 21702659824]

約数ペア:

[(1, 21702659824), (2, 10851329912), (4, 5425664956), (8, 2712832478), (16, 1356416239), (151, 143726224), (302, 71863112), (604, 35931556), (1208, 17965778), (2416, 8982889)]