21080059

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21059}}^1$

素因数の和:21090

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 7224581

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21059, 147413, 231649, 273767, 1621543, 1916369, 3011437, 21080059]

約数ペア:

[(1, 21080059), (7, 3011437), (11, 1916369), (13, 1621543), (77, 273767), (91, 231649), (143, 147413), (1001, 21059)]