21043128

素因数分解:

$2^3\times 3^1\times {\mathrm{876797}}^1$

素因数の和:876806

約数の個数: 16

約数和(自身を含む): 52607880

約数和(自身を除く): 31564752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 876797, 1753594, 2630391, 3507188, 5260782, 7014376, 10521564, 21043128]

約数ペア:

[(1, 21043128), (2, 10521564), (3, 7014376), (4, 5260782), (6, 3507188), (8, 2630391), (12, 1753594), (24, 876797)]