21314379

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2309}}^1$

素因数の和:2510

約数の個数: 16

約数和(自身を含む): 30270240

約数和(自身を除く): 8955861

約数列:

[1, 3, 17, 51, 181, 543, 2309, 3077, 6927, 9231, 39253, 117759, 417929, 1253787, 7104793, 21314379]

約数ペア:

[(1, 21314379), (3, 7104793), (17, 1253787), (51, 417929), (181, 117759), (543, 39253), (2309, 9231), (3077, 6927)]