21931572180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{52218029}}^1$

素因数の和:52218048

約数の個数: 48

約数和(自身を含む): 70181032320

約数和(自身を除く): 48249460140

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, 52218029, 104436058, 156654087, 208872116, 261090145, 313308174, 365526203, 522180290, 626616348, 731052406, 783270435, 1044360580, 1096578609, 1462104812, 1566540870, 1827631015, 2193157218, 3133081740, 3655262030, 4386314436, 5482893045, 7310524060, 10965786090, 21931572180]

約数ペア:

[(1, 21931572180), (2, 10965786090), (3, 7310524060), (4, 5482893045), (5, 4386314436), (6, 3655262030), (7, 3133081740), (10, 2193157218), (12, 1827631015), (14, 1566540870), (15, 1462104812), (20, 1096578609), (21, 1044360580), (28, 783270435), (30, 731052406), (35, 626616348), (42, 522180290), (60, 365526203), (70, 313308174), (84, 261090145), (105, 208872116), (140, 156654087), (210, 104436058), (420, 52218029)]