21187456

素因数分解:

$2^7\times {\mathrm{165527}}^1$

素因数の和:165541

約数の個数: 16

約数和(自身を含む): 42209640

約数和(自身を除く): 21022184

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 165527, 331054, 662108, 1324216, 2648432, 5296864, 10593728, 21187456]

約数ペア:

[(1, 21187456), (2, 10593728), (4, 5296864), (8, 2648432), (16, 1324216), (32, 662108), (64, 331054), (128, 165527)]