21304946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1549}}^1$

素因数の和:1610

約数の個数: 24

約数和(自身を含む): 36000300

約数和(自身を除く): 14695354

約数列:

[1, 2, 13, 23, 26, 46, 299, 529, 598, 1058, 1549, 3098, 6877, 13754, 20137, 35627, 40274, 71254, 463151, 819421, 926302, 1638842, 10652473, 21304946]

約数ペア:

[(1, 21304946), (2, 10652473), (13, 1638842), (23, 926302), (26, 819421), (46, 463151), (299, 71254), (529, 40274), (598, 35627), (1058, 20137), (1549, 13754), (3098, 6877)]