21327111

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60761}}^1$

素因数の和:60783

約数の個数: 16

約数和(自身を含む): 34026720

約数和(自身を除く): 12699609

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60761, 182283, 546849, 789893, 1640547, 2369679, 7109037, 21327111]

約数ペア:

[(1, 21327111), (3, 7109037), (9, 2369679), (13, 1640547), (27, 789893), (39, 546849), (117, 182283), (351, 60761)]