21445728

素因数分解:

$2^5\times 3^1\times {\mathrm{127}}^1\times {\mathrm{1759}}^1$

素因数の和:1899

約数の個数: 48

約数和(自身を含む): 56770560

約数和(自身を除く): 35324832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 127, 254, 381, 508, 762, 1016, 1524, 1759, 2032, 3048, 3518, 4064, 5277, 6096, 7036, 10554, 12192, 14072, 21108, 28144, 42216, 56288, 84432, 168864, 223393, 446786, 670179, 893572, 1340358, 1787144, 2680716, 3574288, 5361432, 7148576, 10722864, 21445728]

約数ペア:

[(1, 21445728), (2, 10722864), (3, 7148576), (4, 5361432), (6, 3574288), (8, 2680716), (12, 1787144), (16, 1340358), (24, 893572), (32, 670179), (48, 446786), (96, 223393), (127, 168864), (254, 84432), (381, 56288), (508, 42216), (762, 28144), (1016, 21108), (1524, 14072), (1759, 12192), (2032, 10554), (3048, 7036), (3518, 6096), (4064, 5277)]