21411128

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{25013}}^1$

素因数の和:25126

約数の個数: 16

約数和(自身を含む): 40522680

約数和(自身を除く): 19111552

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 25013, 50026, 100052, 200104, 2676391, 5352782, 10705564, 21411128]

約数ペア:

[(1, 21411128), (2, 10705564), (4, 5352782), (8, 2676391), (107, 200104), (214, 100052), (428, 50026), (856, 25013)]