21447456

素因数分解:

$2^5\times 3^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1593

約数の個数: 48

約数和(自身を含む): 56697984

約数和(自身を除く): 35250528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 157, 314, 471, 628, 942, 1256, 1423, 1884, 2512, 2846, 3768, 4269, 5024, 5692, 7536, 8538, 11384, 15072, 17076, 22768, 34152, 45536, 68304, 136608, 223411, 446822, 670233, 893644, 1340466, 1787288, 2680932, 3574576, 5361864, 7149152, 10723728, 21447456]

約数ペア:

[(1, 21447456), (2, 10723728), (3, 7149152), (4, 5361864), (6, 3574576), (8, 2680932), (12, 1787288), (16, 1340466), (24, 893644), (32, 670233), (48, 446822), (96, 223411), (157, 136608), (314, 68304), (471, 45536), (628, 34152), (942, 22768), (1256, 17076), (1423, 15072), (1884, 11384), (2512, 8538), (2846, 7536), (3768, 5692), (4269, 5024)]