21671585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5651}}^1$

素因数の和:5728

約数の個数: 16

約数和(自身を含む): 28486080

約数和(自身を除く): 6814495

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 5651, 28255, 73463, 333409, 367315, 1667045, 4334317, 21671585]

約数ペア:

[(1, 21671585), (5, 4334317), (13, 1667045), (59, 367315), (65, 333409), (295, 73463), (767, 28255), (3835, 5651)]