21793745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2269}}^1$

素因数の和:2404

約数の個数: 16

約数和(自身を含む): 27948240

約数和(自身を除く): 6154495

約数列:

[1, 5, 17, 85, 113, 565, 1921, 2269, 9605, 11345, 38573, 192865, 256397, 1281985, 4358749, 21793745]

約数ペア:

[(1, 21793745), (5, 4358749), (17, 1281985), (85, 256397), (113, 192865), (565, 38573), (1921, 11345), (2269, 9605)]