21679255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5653}}^1$

素因数の和:5730

約数の個数: 16

約数和(自身を含む): 28496160

約数和(自身を除く): 6816905

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 5653, 28265, 73489, 333527, 367445, 1667635, 4335851, 21679255]

約数ペア:

[(1, 21679255), (5, 4335851), (13, 1667635), (59, 367445), (65, 333527), (295, 73489), (767, 28265), (3835, 5653)]