21133140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:837

約数の個数: 96

約数和(自身を含む): 68726784

約数和(自身を除く): 47593644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 751, 804, 938, 1005, 1340, 1407, 1502, 1876, 2010, 2253, 2345, 2814, 3004, 3755, 4020, 4506, 4690, 5257, 5628, 7035, 7510, 9012, 9380, 10514, 11265, 14070, 15020, 15771, 21028, 22530, 26285, 28140, 31542, 45060, 50317, 52570, 63084, 78855, 100634, 105140, 150951, 157710, 201268, 251585, 301902, 315420, 352219, 503170, 603804, 704438, 754755, 1006340, 1056657, 1408876, 1509510, 1761095, 2113314, 3019020, 3522190, 4226628, 5283285, 7044380, 10566570, 21133140]

約数ペア:

[(1, 21133140), (2, 10566570), (3, 7044380), (4, 5283285), (5, 4226628), (6, 3522190), (7, 3019020), (10, 2113314), (12, 1761095), (14, 1509510), (15, 1408876), (20, 1056657), (21, 1006340), (28, 754755), (30, 704438), (35, 603804), (42, 503170), (60, 352219), (67, 315420), (70, 301902), (84, 251585), (105, 201268), (134, 157710), (140, 150951), (201, 105140), (210, 100634), (268, 78855), (335, 63084), (402, 52570), (420, 50317), (469, 45060), (670, 31542), (751, 28140), (804, 26285), (938, 22530), (1005, 21028), (1340, 15771), (1407, 15020), (1502, 14070), (1876, 11265), (2010, 10514), (2253, 9380), (2345, 9012), (2814, 7510), (3004, 7035), (3755, 5628), (4020, 5257), (4506, 4690)]