21069824

素因数分解:

$2^{15}\times {\mathrm{643}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 42204540

約数和(自身を除く): 21134716

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 643, 1024, 1286, 2048, 2572, 4096, 5144, 8192, 10288, 16384, 20576, 32768, 41152, 82304, 164608, 329216, 658432, 1316864, 2633728, 5267456, 10534912, 21069824]

約数ペア:

[(1, 21069824), (2, 10534912), (4, 5267456), (8, 2633728), (16, 1316864), (32, 658432), (64, 329216), (128, 164608), (256, 82304), (512, 41152), (643, 32768), (1024, 20576), (1286, 16384), (2048, 10288), (2572, 8192), (4096, 5144)]