21178049340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50423927}}^1$

素因数の和:50423946

約数の個数: 48

約数和(自身を含む): 67769759232

約数和(自身を除く): 46591709892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50423927, 100847854, 151271781, 201695708, 252119635, 302543562, 352967489, 504239270, 605087124, 705934978, 756358905, 1008478540, 1058902467, 1411869956, 1512717810, 1764837445, 2117804934, 3025435620, 3529674890, 4235609868, 5294512335, 7059349780, 10589024670, 21178049340]

約数ペア:

[(1, 21178049340), (2, 10589024670), (3, 7059349780), (4, 5294512335), (5, 4235609868), (6, 3529674890), (7, 3025435620), (10, 2117804934), (12, 1764837445), (14, 1512717810), (15, 1411869956), (20, 1058902467), (21, 1008478540), (28, 756358905), (30, 705934978), (35, 605087124), (42, 504239270), (60, 352967489), (70, 302543562), (84, 252119635), (105, 201695708), (140, 151271781), (210, 100847854), (420, 50423927)]