21245279999

素因数分解:

${\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{768059}}^1$

素因数の和:768397

約数の個数: 8

約数和(自身を含む): 21505680000

約数和(自身を除く): 260400001

約数列:

[1, 139, 199, 27661, 768059, 106760201, 152843741, 21245279999]

約数ペア:

[(1, 21245279999), (139, 152843741), (199, 106760201), (27661, 768059)]