21531456

素因数分解:

$2^6\times 3^2\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1336

約数の個数: 84

約数和(自身を含む): 63893700

約数和(自身を除く): 42362244

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 144, 174, 192, 232, 261, 288, 348, 464, 522, 576, 696, 928, 1044, 1289, 1392, 1856, 2088, 2578, 2784, 3867, 4176, 5156, 5568, 7734, 8352, 10312, 11601, 15468, 16704, 20624, 23202, 30936, 37381, 41248, 46404, 61872, 74762, 82496, 92808, 112143, 123744, 149524, 185616, 224286, 247488, 299048, 336429, 371232, 448572, 598096, 672858, 742464, 897144, 1196192, 1345716, 1794288, 2392384, 2691432, 3588576, 5382864, 7177152, 10765728, 21531456]

約数ペア:

[(1, 21531456), (2, 10765728), (3, 7177152), (4, 5382864), (6, 3588576), (8, 2691432), (9, 2392384), (12, 1794288), (16, 1345716), (18, 1196192), (24, 897144), (29, 742464), (32, 672858), (36, 598096), (48, 448572), (58, 371232), (64, 336429), (72, 299048), (87, 247488), (96, 224286), (116, 185616), (144, 149524), (174, 123744), (192, 112143), (232, 92808), (261, 82496), (288, 74762), (348, 61872), (464, 46404), (522, 41248), (576, 37381), (696, 30936), (928, 23202), (1044, 20624), (1289, 16704), (1392, 15468), (1856, 11601), (2088, 10312), (2578, 8352), (2784, 7734), (3867, 5568), (4176, 5156)]