21726291

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5689}}^1$

素因数の和:5778

約数の個数: 16

約数和(自身を含む): 30953600

約数和(自身を除く): 9227309

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5689, 17067, 108091, 324273, 381163, 1143489, 7242097, 21726291]

約数ペア:

[(1, 21726291), (3, 7242097), (19, 1143489), (57, 381163), (67, 324273), (201, 108091), (1273, 17067), (3819, 5689)]