21963745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1109}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 28051920

約数和(自身を除く): 6088175

約数列:

[1, 5, 17, 85, 233, 1109, 1165, 3961, 5545, 18853, 19805, 94265, 258397, 1291985, 4392749, 21963745]

約数ペア:

[(1, 21963745), (5, 4392749), (17, 1291985), (85, 258397), (233, 94265), (1109, 19805), (1165, 18853), (3961, 5545)]