21860864

素因数分解:

$2^9\times {\mathrm{42697}}^1$

素因数の和:42715

約数の個数: 20

約数和(自身を含む): 43680054

約数和(自身を除く): 21819190

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42697, 85394, 170788, 341576, 683152, 1366304, 2732608, 5465216, 10930432, 21860864]

約数ペア:

[(1, 21860864), (2, 10930432), (4, 5465216), (8, 2732608), (16, 1366304), (32, 683152), (64, 341576), (128, 170788), (256, 85394), (512, 42697)]