21589488

素因数分解:

$2^4\times 3^2\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:806

約数の個数: 60

約数和(自身を含む): 60740160

約数和(自身を除く): 39150672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 313, 479, 626, 939, 958, 1252, 1437, 1878, 1916, 2504, 2817, 2874, 3756, 3832, 4311, 5008, 5634, 5748, 7512, 7664, 8622, 11268, 11496, 15024, 17244, 22536, 22992, 34488, 45072, 68976, 149927, 299854, 449781, 599708, 899562, 1199416, 1349343, 1799124, 2398832, 2698686, 3598248, 5397372, 7196496, 10794744, 21589488]

約数ペア:

[(1, 21589488), (2, 10794744), (3, 7196496), (4, 5397372), (6, 3598248), (8, 2698686), (9, 2398832), (12, 1799124), (16, 1349343), (18, 1199416), (24, 899562), (36, 599708), (48, 449781), (72, 299854), (144, 149927), (313, 68976), (479, 45072), (626, 34488), (939, 22992), (958, 22536), (1252, 17244), (1437, 15024), (1878, 11496), (1916, 11268), (2504, 8622), (2817, 7664), (2874, 7512), (3756, 5748), (3832, 5634), (4311, 5008)]