21896391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1697}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 35209728

約数和(自身を除く): 13313337

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 1697, 4301, 5091, 12903, 18667, 28849, 39031, 56001, 86547, 117093, 317339, 429341, 663527, 952017, 1288023, 1990581, 7298797, 21896391]

約数ペア:

[(1, 21896391), (3, 7298797), (11, 1990581), (17, 1288023), (23, 952017), (33, 663527), (51, 429341), (69, 317339), (187, 117093), (253, 86547), (391, 56001), (561, 39031), (759, 28849), (1173, 18667), (1697, 12903), (4301, 5091)]