21237567

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{863}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 30578688

約数和(自身を除く): 9341121

約数列:

[1, 3, 13, 39, 631, 863, 1893, 2589, 8203, 11219, 24609, 33657, 544553, 1633659, 7079189, 21237567]

約数ペア:

[(1, 21237567), (3, 7079189), (13, 1633659), (39, 544553), (631, 33657), (863, 24609), (1893, 11219), (2589, 8203)]