21371071

素因数分解:

${\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:686

約数の個数: 12

約数和(自身を含む): 22695120

約数和(自身を除く): 1324049

約数列:

[1, 23, 71, 529, 569, 1633, 13087, 37559, 40399, 301001, 929177, 21371071]

約数ペア:

[(1, 21371071), (23, 929177), (71, 301001), (529, 40399), (569, 37559), (1633, 13087)]