21337016

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21001}}^1$

素因数の和:21134

約数の個数: 16

約数和(自身を含む): 40323840

約数和(自身を除く): 18986824

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21001, 42002, 84004, 168008, 2667127, 5334254, 10668508, 21337016]

約数ペア:

[(1, 21337016), (2, 10668508), (4, 5334254), (8, 2667127), (127, 168008), (254, 84004), (508, 42002), (1016, 21001)]