21313767

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9719}}^1$

素因数の和:9782

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 9479193

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9719, 29157, 165223, 417917, 495669, 1253751, 7104589, 21313767]

約数ペア:

[(1, 21313767), (3, 7104589), (17, 1253751), (43, 495669), (51, 417917), (129, 165223), (731, 29157), (2193, 9719)]