21574137

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{863}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 31062528

約数和(自身を除く): 9488391

約数列:

[1, 3, 13, 39, 641, 863, 1923, 2589, 8333, 11219, 24999, 33657, 553183, 1659549, 7191379, 21574137]

約数ペア:

[(1, 21574137), (3, 7191379), (13, 1659549), (39, 553183), (641, 33657), (863, 24999), (1923, 11219), (2589, 8333)]