21262712

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{10589}}^1$

素因数の和:10846

約数の個数: 16

約数和(自身を含む): 40030200

約数和(自身を除く): 18767488

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 10589, 21178, 42356, 84712, 2657839, 5315678, 10631356, 21262712]

約数ペア:

[(1, 21262712), (2, 10631356), (4, 5315678), (8, 2657839), (251, 84712), (502, 42356), (1004, 21178), (2008, 10589)]