21173178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271451}}^1$

素因数の和:271469

約数の個数: 16

約数和(自身を含む): 45603936

約数和(自身を除く): 24430758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271451, 542902, 814353, 1628706, 3528863, 7057726, 10586589, 21173178]

約数ペア:

[(1, 21173178), (2, 10586589), (3, 7057726), (6, 3528863), (13, 1628706), (26, 814353), (39, 542902), (78, 271451)]