21054924

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 40231476

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 37, 44, 54, 66, 74, 99, 108, 111, 132, 148, 198, 222, 297, 333, 396, 407, 444, 479, 594, 666, 814, 958, 999, 1188, 1221, 1332, 1437, 1628, 1916, 1998, 2442, 2874, 3663, 3996, 4311, 4884, 5269, 5748, 7326, 8622, 10538, 10989, 12933, 14652, 15807, 17244, 17723, 21076, 21978, 25866, 31614, 35446, 43956, 47421, 51732, 53169, 63228, 70892, 94842, 106338, 142263, 159507, 189684, 194953, 212676, 284526, 319014, 389906, 478521, 569052, 584859, 638028, 779812, 957042, 1169718, 1754577, 1914084, 2339436, 3509154, 5263731, 7018308, 10527462, 21054924]

約数ペア:

[(1, 21054924), (2, 10527462), (3, 7018308), (4, 5263731), (6, 3509154), (9, 2339436), (11, 1914084), (12, 1754577), (18, 1169718), (22, 957042), (27, 779812), (33, 638028), (36, 584859), (37, 569052), (44, 478521), (54, 389906), (66, 319014), (74, 284526), (99, 212676), (108, 194953), (111, 189684), (132, 159507), (148, 142263), (198, 106338), (222, 94842), (297, 70892), (333, 63228), (396, 53169), (407, 51732), (444, 47421), (479, 43956), (594, 35446), (666, 31614), (814, 25866), (958, 21978), (999, 21076), (1188, 17723), (1221, 17244), (1332, 15807), (1437, 14652), (1628, 12933), (1916, 10989), (1998, 10538), (2442, 8622), (2874, 7326), (3663, 5748), (3996, 5269), (4311, 4884)]