21727728

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 180

約数和(自身を含む): 70750680

約数和(自身を除く): 49022952

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 43, 44, 48, 58, 66, 72, 86, 87, 88, 99, 116, 121, 129, 132, 144, 172, 174, 176, 198, 232, 242, 258, 261, 264, 319, 344, 348, 363, 387, 396, 464, 473, 484, 516, 522, 528, 638, 688, 696, 726, 774, 792, 946, 957, 968, 1032, 1044, 1089, 1247, 1276, 1392, 1419, 1452, 1548, 1584, 1892, 1914, 1936, 2064, 2088, 2178, 2494, 2552, 2838, 2871, 2904, 3096, 3509, 3741, 3784, 3828, 4176, 4257, 4356, 4988, 5104, 5203, 5676, 5742, 5808, 6192, 7018, 7482, 7568, 7656, 8514, 8712, 9976, 10406, 10527, 11223, 11352, 11484, 13717, 14036, 14964, 15312, 15609, 17028, 17424, 19952, 20812, 21054, 22446, 22704, 22968, 27434, 28072, 29928, 31218, 31581, 34056, 41151, 41624, 42108, 44892, 45936, 46827, 54868, 56144, 59856, 62436, 63162, 68112, 82302, 83248, 84216, 89784, 93654, 109736, 123453, 124872, 126324, 150887, 164604, 168432, 179568, 187308, 219472, 246906, 249744, 252648, 301774, 329208, 374616, 452661, 493812, 505296, 603548, 658416, 749232, 905322, 987624, 1207096, 1357983, 1810644, 1975248, 2414192, 2715966, 3621288, 5431932, 7242576, 10863864, 21727728]

約数ペア:

[(1, 21727728), (2, 10863864), (3, 7242576), (4, 5431932), (6, 3621288), (8, 2715966), (9, 2414192), (11, 1975248), (12, 1810644), (16, 1357983), (18, 1207096), (22, 987624), (24, 905322), (29, 749232), (33, 658416), (36, 603548), (43, 505296), (44, 493812), (48, 452661), (58, 374616), (66, 329208), (72, 301774), (86, 252648), (87, 249744), (88, 246906), (99, 219472), (116, 187308), (121, 179568), (129, 168432), (132, 164604), (144, 150887), (172, 126324), (174, 124872), (176, 123453), (198, 109736), (232, 93654), (242, 89784), (258, 84216), (261, 83248), (264, 82302), (319, 68112), (344, 63162), (348, 62436), (363, 59856), (387, 56144), (396, 54868), (464, 46827), (473, 45936), (484, 44892), (516, 42108), (522, 41624), (528, 41151), (638, 34056), (688, 31581), (696, 31218), (726, 29928), (774, 28072), (792, 27434), (946, 22968), (957, 22704), (968, 22446), (1032, 21054), (1044, 20812), (1089, 19952), (1247, 17424), (1276, 17028), (1392, 15609), (1419, 15312), (1452, 14964), (1548, 14036), (1584, 13717), (1892, 11484), (1914, 11352), (1936, 11223), (2064, 10527), (2088, 10406), (2178, 9976), (2494, 8712), (2552, 8514), (2838, 7656), (2871, 7568), (2904, 7482), (3096, 7018), (3509, 6192), (3741, 5808), (3784, 5742), (3828, 5676), (4176, 5203), (4257, 5104), (4356, 4988)]