21060637

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 24176880

約数和(自身を除く): 3116243

約数列:

[1, 13, 17, 221, 233, 409, 3029, 3961, 5317, 6953, 51493, 90389, 95297, 1238861, 1620049, 21060637]

約数ペア:

[(1, 21060637), (13, 1620049), (17, 1238861), (221, 95297), (233, 90389), (409, 51493), (3029, 6953), (3961, 5317)]