21691362

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34295838

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 957, 1218, 1619, 1914, 2233, 3238, 4466, 4857, 6699, 9714, 11333, 13398, 17809, 22666, 33999, 35618, 46951, 53427, 67998, 93902, 106854, 124663, 140853, 249326, 281706, 328657, 373989, 516461, 657314, 747978, 985971, 1032922, 1549383, 1971942, 3098766, 3615227, 7230454, 10845681, 21691362]

約数ペア:

[(1, 21691362), (2, 10845681), (3, 7230454), (6, 3615227), (7, 3098766), (11, 1971942), (14, 1549383), (21, 1032922), (22, 985971), (29, 747978), (33, 657314), (42, 516461), (58, 373989), (66, 328657), (77, 281706), (87, 249326), (154, 140853), (174, 124663), (203, 106854), (231, 93902), (319, 67998), (406, 53427), (462, 46951), (609, 35618), (638, 33999), (957, 22666), (1218, 17809), (1619, 13398), (1914, 11333), (2233, 9714), (3238, 6699), (4466, 4857)]