21167243167

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4136651}}^1$

素因数の和:4136718

約数の個数: 16

約数和(自身を含む): 26209827072

約数和(自身を除く): 5042583905

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 4136651, 28956557, 70323067, 177875993, 492261469, 1245131951, 3023891881, 21167243167]

約数ペア:

[(1, 21167243167), (7, 3023891881), (17, 1245131951), (43, 492261469), (119, 177875993), (301, 70323067), (731, 28956557), (5117, 4136651)]