21131994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270923}}^1$

素因数の和:270941

約数の個数: 16

約数和(自身を含む): 45515232

約数和(自身を除く): 24383238

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270923, 541846, 812769, 1625538, 3521999, 7043998, 10565997, 21131994]

約数ペア:

[(1, 21131994), (2, 10565997), (3, 7043998), (6, 3521999), (13, 1625538), (26, 812769), (39, 541846), (78, 270923)]