21058176

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 60710400

約数和(自身を除く): 39652224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 32, 48, 58, 61, 62, 64, 87, 93, 96, 116, 122, 124, 128, 174, 183, 186, 192, 232, 244, 248, 348, 366, 372, 384, 464, 488, 496, 696, 732, 744, 899, 928, 976, 992, 1392, 1464, 1488, 1769, 1798, 1856, 1891, 1952, 1984, 2697, 2784, 2928, 2976, 3538, 3596, 3712, 3782, 3904, 3968, 5307, 5394, 5568, 5673, 5856, 5952, 7076, 7192, 7564, 7808, 10614, 10788, 11136, 11346, 11712, 11904, 14152, 14384, 15128, 21228, 21576, 22692, 23424, 28304, 28768, 30256, 42456, 43152, 45384, 54839, 56608, 57536, 60512, 84912, 86304, 90768, 109678, 113216, 115072, 121024, 164517, 169824, 172608, 181536, 219356, 226432, 242048, 329034, 339648, 345216, 363072, 438712, 658068, 679296, 726144, 877424, 1316136, 1754848, 2632272, 3509696, 5264544, 7019392, 10529088, 21058176]

約数ペア:

[(1, 21058176), (2, 10529088), (3, 7019392), (4, 5264544), (6, 3509696), (8, 2632272), (12, 1754848), (16, 1316136), (24, 877424), (29, 726144), (31, 679296), (32, 658068), (48, 438712), (58, 363072), (61, 345216), (62, 339648), (64, 329034), (87, 242048), (93, 226432), (96, 219356), (116, 181536), (122, 172608), (124, 169824), (128, 164517), (174, 121024), (183, 115072), (186, 113216), (192, 109678), (232, 90768), (244, 86304), (248, 84912), (348, 60512), (366, 57536), (372, 56608), (384, 54839), (464, 45384), (488, 43152), (496, 42456), (696, 30256), (732, 28768), (744, 28304), (899, 23424), (928, 22692), (976, 21576), (992, 21228), (1392, 15128), (1464, 14384), (1488, 14152), (1769, 11904), (1798, 11712), (1856, 11346), (1891, 11136), (1952, 10788), (1984, 10614), (2697, 7808), (2784, 7564), (2928, 7192), (2976, 7076), (3538, 5952), (3596, 5856), (3712, 5673), (3782, 5568), (3904, 5394), (3968, 5307)]