21096655

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 5030705

約数列:

[1, 5, 47, 107, 235, 535, 839, 4195, 5029, 25145, 39433, 89773, 197165, 448865, 4219331, 21096655]

約数ペア:

[(1, 21096655), (5, 4219331), (47, 448865), (107, 197165), (235, 89773), (535, 39433), (839, 25145), (4195, 5029)]