25421571

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2903}}^1$

素因数の和:3055

約数の個数: 24

約数和(自身を含む): 42282240

約数和(自身を除く): 16860669

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2903, 2919, 8709, 8757, 20321, 26127, 60963, 182889, 403517, 1210551, 2824619, 3631653, 8473857, 25421571]

約数ペア:

[(1, 25421571), (3, 8473857), (7, 3631653), (9, 2824619), (21, 1210551), (63, 403517), (139, 182889), (417, 60963), (973, 26127), (1251, 20321), (2903, 8757), (2919, 8709)]