210990421

素因数分解:

${\mathrm{19}}^2\times {\mathrm{409}}^1\times {\mathrm{1429}}^1$

素因数の和:1876

約数の個数: 12

約数和(自身を含む): 223380300

約数和(自身を除く): 12389879

約数列:

[1, 19, 361, 409, 1429, 7771, 27151, 147649, 515869, 584461, 11104759, 210990421]

約数ペア:

[(1, 210990421), (19, 11104759), (361, 584461), (409, 515869), (1429, 147649), (7771, 27151)]