21795456

素因数分解:

$2^7\times 3^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 58384800

約数和(自身を除く): 36589344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 211, 269, 384, 422, 538, 633, 807, 844, 1076, 1266, 1614, 1688, 2152, 2532, 3228, 3376, 4304, 5064, 6456, 6752, 8608, 10128, 12912, 13504, 17216, 20256, 25824, 27008, 34432, 40512, 51648, 56759, 81024, 103296, 113518, 170277, 227036, 340554, 454072, 681108, 908144, 1362216, 1816288, 2724432, 3632576, 5448864, 7265152, 10897728, 21795456]

約数ペア:

[(1, 21795456), (2, 10897728), (3, 7265152), (4, 5448864), (6, 3632576), (8, 2724432), (12, 1816288), (16, 1362216), (24, 908144), (32, 681108), (48, 454072), (64, 340554), (96, 227036), (128, 170277), (192, 113518), (211, 103296), (269, 81024), (384, 56759), (422, 51648), (538, 40512), (633, 34432), (807, 27008), (844, 25824), (1076, 20256), (1266, 17216), (1614, 13504), (1688, 12912), (2152, 10128), (2532, 8608), (3228, 6752), (3376, 6456), (4304, 5064)]