21305103618

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82577921}}^1$

素因数の和:82577969

約数の個数: 16

約数和(自身を含む): 43601142816

約数和(自身を除く): 22296039198

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82577921, 165155842, 247733763, 495467526, 3550850603, 7101701206, 10652551809, 21305103618]

約数ペア:

[(1, 21305103618), (2, 10652551809), (3, 7101701206), (6, 3550850603), (43, 495467526), (86, 247733763), (129, 165155842), (258, 82577921)]