21170048

素因数分解:

$2^7\times {\mathrm{165391}}^1$

素因数の和:165405

約数の個数: 16

約数和(自身を含む): 42174960

約数和(自身を除く): 21004912

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 165391, 330782, 661564, 1323128, 2646256, 5292512, 10585024, 21170048]

約数ペア:

[(1, 21170048), (2, 10585024), (4, 5292512), (8, 2646256), (16, 1323128), (32, 661564), (64, 330782), (128, 165391)]