21910858

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{28019}}^1$

素因数の和:28061

約数の個数: 16

約数和(自身を含む): 36313920

約数和(自身を除く): 14403062

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 28019, 56038, 476323, 644437, 952646, 1288874, 10955429, 21910858]

約数ペア:

[(1, 21910858), (2, 10955429), (17, 1288874), (23, 952646), (34, 644437), (46, 476323), (391, 56038), (782, 28019)]