21080448

素因数分解:

$2^7\times 3^2\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 62852400

約数和(自身を除く): 41771952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 174, 192, 232, 261, 288, 348, 384, 464, 522, 576, 631, 696, 928, 1044, 1152, 1262, 1392, 1856, 1893, 2088, 2524, 2784, 3712, 3786, 4176, 5048, 5568, 5679, 7572, 8352, 10096, 11136, 11358, 15144, 16704, 18299, 20192, 22716, 30288, 33408, 36598, 40384, 45432, 54897, 60576, 73196, 80768, 90864, 109794, 121152, 146392, 164691, 181728, 219588, 242304, 292784, 329382, 363456, 439176, 585568, 658764, 726912, 878352, 1171136, 1317528, 1756704, 2342272, 2635056, 3513408, 5270112, 7026816, 10540224, 21080448]

約数ペア:

[(1, 21080448), (2, 10540224), (3, 7026816), (4, 5270112), (6, 3513408), (8, 2635056), (9, 2342272), (12, 1756704), (16, 1317528), (18, 1171136), (24, 878352), (29, 726912), (32, 658764), (36, 585568), (48, 439176), (58, 363456), (64, 329382), (72, 292784), (87, 242304), (96, 219588), (116, 181728), (128, 164691), (144, 146392), (174, 121152), (192, 109794), (232, 90864), (261, 80768), (288, 73196), (348, 60576), (384, 54897), (464, 45432), (522, 40384), (576, 36598), (631, 33408), (696, 30288), (928, 22716), (1044, 20192), (1152, 18299), (1262, 16704), (1392, 15144), (1856, 11358), (1893, 11136), (2088, 10096), (2524, 8352), (2784, 7572), (3712, 5679), (3786, 5568), (4176, 5048)]