21365238

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82811}}^1$

素因数の和:82859

約数の個数: 16

約数和(自身を含む): 43724736

約数和(自身を除く): 22359498

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82811, 165622, 248433, 496866, 3560873, 7121746, 10682619, 21365238]

約数ペア:

[(1, 21365238), (2, 10682619), (3, 7121746), (6, 3560873), (43, 496866), (86, 248433), (129, 165622), (258, 82811)]