2021567331

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{757993}}^1$

素因数の和:758130

約数の個数: 16

約数和(自身を含む): 3104743424

約数和(自身を除く): 1083176093

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 757993, 2273979, 5305951, 15917853, 96265111, 288795333, 673855777, 2021567331]

約数ペア:

[(1, 2021567331), (3, 673855777), (7, 288795333), (21, 96265111), (127, 15917853), (381, 5305951), (889, 2273979), (2667, 757993)]