21531128

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{117017}}^1$

素因数の和:117046

約数の個数: 16

約数和(自身を含む): 42126480

約数和(自身を除く): 20595352

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 117017, 234034, 468068, 936136, 2691391, 5382782, 10765564, 21531128]

約数ペア:

[(1, 21531128), (2, 10765564), (4, 5382782), (8, 2691391), (23, 936136), (46, 468068), (92, 234034), (184, 117017)]