21431345220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3121}}^1\times {\mathrm{38149}}^1$

素因数の和:41285

約数の個数: 72

約数和(自身を含む): 65030947800

約数和(自身を除く): 43599602580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3121, 6242, 9363, 12484, 15605, 18726, 28089, 31210, 37452, 38149, 46815, 56178, 62420, 76298, 93630, 112356, 114447, 140445, 152596, 187260, 190745, 228894, 280890, 343341, 381490, 457788, 561780, 572235, 686682, 762980, 1144470, 1373364, 1716705, 2288940, 3433410, 6866820, 119063029, 238126058, 357189087, 476252116, 595315145, 714378174, 1071567261, 1190630290, 1428756348, 1785945435, 2143134522, 2381260580, 3571890870, 4286269044, 5357836305, 7143781740, 10715672610, 21431345220]

約数ペア:

[(1, 21431345220), (2, 10715672610), (3, 7143781740), (4, 5357836305), (5, 4286269044), (6, 3571890870), (9, 2381260580), (10, 2143134522), (12, 1785945435), (15, 1428756348), (18, 1190630290), (20, 1071567261), (30, 714378174), (36, 595315145), (45, 476252116), (60, 357189087), (90, 238126058), (180, 119063029), (3121, 6866820), (6242, 3433410), (9363, 2288940), (12484, 1716705), (15605, 1373364), (18726, 1144470), (28089, 762980), (31210, 686682), (37452, 572235), (38149, 561780), (46815, 457788), (56178, 381490), (62420, 343341), (76298, 280890), (93630, 228894), (112356, 190745), (114447, 187260), (140445, 152596)]