21659648

素因数分解:

$2^{15}\times {\mathrm{661}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 43384170

約数和(自身を除く): 21724522

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 661, 1024, 1322, 2048, 2644, 4096, 5288, 8192, 10576, 16384, 21152, 32768, 42304, 84608, 169216, 338432, 676864, 1353728, 2707456, 5414912, 10829824, 21659648]

約数ペア:

[(1, 21659648), (2, 10829824), (4, 5414912), (8, 2707456), (16, 1353728), (32, 676864), (64, 338432), (128, 169216), (256, 84608), (512, 42304), (661, 32768), (1024, 21152), (1322, 16384), (2048, 10576), (2644, 8192), (4096, 5288)]