21568312

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86969}}^1$

素因数の和:87006

約数の個数: 16

約数和(自身を含む): 41745600

約数和(自身を除く): 20177288

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86969, 173938, 347876, 695752, 2696039, 5392078, 10784156, 21568312]

約数ペア:

[(1, 21568312), (2, 10784156), (4, 5392078), (8, 2696039), (31, 695752), (62, 347876), (124, 173938), (248, 86969)]