21567611

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{7507}}^1$

素因数の和:7550

約数の個数: 12

約数和(自身を含む): 24731352

約数和(自身を除く): 3163741

約数列:

[1, 13, 17, 169, 221, 2873, 7507, 97591, 127619, 1268683, 1659047, 21567611]

約数ペア:

[(1, 21567611), (13, 1659047), (17, 1268683), (169, 127619), (221, 97591), (2873, 7507)]