21151166

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{523}}^1$

素因数の和:875

約数の個数: 16

約数和(自身を含む): 32339184

約数和(自身を除く): 11188018

約数列:

[1, 2, 73, 146, 277, 523, 554, 1046, 20221, 38179, 40442, 76358, 144871, 289742, 10575583, 21151166]

約数ペア:

[(1, 21151166), (2, 10575583), (73, 289742), (146, 144871), (277, 76358), (523, 40442), (554, 38179), (1046, 20221)]