21493327432

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{62480603}}^1$

素因数の和:62480652

約数の個数: 16

約数和(自身を含む): 41237198640

約数和(自身を除く): 19743871208

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 62480603, 124961206, 249922412, 499844824, 2686665929, 5373331858, 10746663716, 21493327432]

約数ペア:

[(1, 21493327432), (2, 10746663716), (4, 5373331858), (8, 2686665929), (43, 499844824), (86, 249922412), (172, 124961206), (344, 62480603)]