21818157

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9949}}^1$

素因数の和:10012

約数の個数: 16

約数和(自身を含む): 31521600

約数和(自身を除く): 9703443

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9949, 29847, 169133, 427807, 507399, 1283421, 7272719, 21818157]

約数ペア:

[(1, 21818157), (3, 7272719), (17, 1283421), (43, 507399), (51, 427807), (129, 169133), (731, 29847), (2193, 9949)]