21200896

素因数分解:

$2^{15}\times {\mathrm{647}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 42466680

約数和(自身を除く): 21265784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 647, 1024, 1294, 2048, 2588, 4096, 5176, 8192, 10352, 16384, 20704, 32768, 41408, 82816, 165632, 331264, 662528, 1325056, 2650112, 5300224, 10600448, 21200896]

約数ペア:

[(1, 21200896), (2, 10600448), (4, 5300224), (8, 2650112), (16, 1325056), (32, 662528), (64, 331264), (128, 165632), (256, 82816), (512, 41408), (647, 32768), (1024, 20704), (1294, 16384), (2048, 10352), (2588, 8192), (4096, 5176)]