21423417

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9769}}^1$

素因数の和:9832

約数の個数: 16

約数和(自身を含む): 30951360

約数和(自身を除く): 9527943

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9769, 29307, 166073, 420067, 498219, 1260201, 7141139, 21423417]

約数ペア:

[(1, 21423417), (3, 7141139), (17, 1260201), (43, 498219), (51, 420067), (129, 166073), (731, 29307), (2193, 9769)]