21197824

素因数分解:

$2^{10}\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 44

約数和(自身を含む): 42970624

約数和(自身を除く): 21772800

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 163, 254, 256, 326, 508, 512, 652, 1016, 1024, 1304, 2032, 2608, 4064, 5216, 8128, 10432, 16256, 20701, 20864, 32512, 41402, 41728, 65024, 82804, 83456, 130048, 165608, 166912, 331216, 662432, 1324864, 2649728, 5299456, 10598912, 21197824]

約数ペア:

[(1, 21197824), (2, 10598912), (4, 5299456), (8, 2649728), (16, 1324864), (32, 662432), (64, 331216), (127, 166912), (128, 165608), (163, 130048), (254, 83456), (256, 82804), (326, 65024), (508, 41728), (512, 41402), (652, 32512), (1016, 20864), (1024, 20701), (1304, 16256), (2032, 10432), (2608, 8128), (4064, 5216)]