21143088

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 62964720

約数和(自身を除く): 41821632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 61, 72, 83, 87, 116, 122, 144, 166, 174, 183, 232, 244, 249, 261, 332, 348, 366, 464, 488, 498, 522, 549, 664, 696, 732, 747, 976, 996, 1044, 1098, 1328, 1392, 1464, 1494, 1769, 1992, 2088, 2196, 2407, 2928, 2988, 3538, 3984, 4176, 4392, 4814, 5063, 5307, 5976, 7076, 7221, 8784, 9628, 10126, 10614, 11952, 14152, 14442, 15189, 15921, 19256, 20252, 21228, 21663, 28304, 28884, 30378, 31842, 38512, 40504, 42456, 43326, 45567, 57768, 60756, 63684, 81008, 84912, 86652, 91134, 115536, 121512, 127368, 146827, 173304, 182268, 243024, 254736, 293654, 346608, 364536, 440481, 587308, 729072, 880962, 1174616, 1321443, 1761924, 2349232, 2642886, 3523848, 5285772, 7047696, 10571544, 21143088]

約数ペア:

[(1, 21143088), (2, 10571544), (3, 7047696), (4, 5285772), (6, 3523848), (8, 2642886), (9, 2349232), (12, 1761924), (16, 1321443), (18, 1174616), (24, 880962), (29, 729072), (36, 587308), (48, 440481), (58, 364536), (61, 346608), (72, 293654), (83, 254736), (87, 243024), (116, 182268), (122, 173304), (144, 146827), (166, 127368), (174, 121512), (183, 115536), (232, 91134), (244, 86652), (249, 84912), (261, 81008), (332, 63684), (348, 60756), (366, 57768), (464, 45567), (488, 43326), (498, 42456), (522, 40504), (549, 38512), (664, 31842), (696, 30378), (732, 28884), (747, 28304), (976, 21663), (996, 21228), (1044, 20252), (1098, 19256), (1328, 15921), (1392, 15189), (1464, 14442), (1494, 14152), (1769, 11952), (1992, 10614), (2088, 10126), (2196, 9628), (2407, 8784), (2928, 7221), (2988, 7076), (3538, 5976), (3984, 5307), (4176, 5063), (4392, 4814)]