21712314

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278363}}^1$

素因数の和:278381

約数の個数: 16

約数和(自身を含む): 46765152

約数和(自身を除く): 25052838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278363, 556726, 835089, 1670178, 3618719, 7237438, 10856157, 21712314]

約数ペア:

[(1, 21712314), (2, 10856157), (3, 7237438), (6, 3618719), (13, 1670178), (26, 835089), (39, 556726), (78, 278363)]