21880452865

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{3529}}^1\times {\mathrm{13933}}^1$

素因数の和:17556

約数の個数: 16

約数和(自身を含む): 26560990800

約数和(自身を除く): 4680537935

約数列:

[1, 5, 89, 445, 3529, 13933, 17645, 69665, 314081, 1240037, 1570405, 6200185, 49169557, 245847785, 4376090573, 21880452865]

約数ペア:

[(1, 21880452865), (5, 4376090573), (89, 245847785), (445, 49169557), (3529, 6200185), (13933, 1570405), (17645, 1240037), (69665, 314081)]