21804249

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 29573120

約数和(自身を除く): 7768871

約数列:

[1, 3, 127, 151, 379, 381, 453, 1137, 19177, 48133, 57229, 57531, 144399, 171687, 7268083, 21804249]

約数ペア:

[(1, 21804249), (3, 7268083), (127, 171687), (151, 144399), (379, 57531), (381, 57229), (453, 48133), (1137, 19177)]