16420521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24767}}^1$

素因数の和:24800

約数の個数: 16

約数和(自身を含む): 24966144

約数和(自身を除く): 8545623

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 24767, 74301, 321971, 421039, 965913, 1263117, 5473507, 16420521]

約数ペア:

[(1, 16420521), (3, 5473507), (13, 1263117), (17, 965913), (39, 421039), (51, 321971), (221, 74301), (663, 24767)]