21664091519

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{13187}}^1\times {\mathrm{6343}}^1$

素因数の和:19574

約数の個数: 16

約数和(自身を含む): 25434060288

約数和(自身を除く): 3769968769

約数列:

[1, 7, 37, 259, 6343, 13187, 44401, 92309, 234691, 487919, 1642837, 3415433, 83645141, 585515987, 3094870217, 21664091519]

約数ペア:

[(1, 21664091519), (7, 3094870217), (37, 585515987), (259, 83645141), (6343, 3415433), (13187, 1642837), (44401, 487919), (92309, 234691)]