21422778629

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{428567}}^1$

素因数の和:428804

約数の個数: 16

約数和(自身を含む): 25275226368

約数和(自身を除く): 3852447739

約数列:

[1, 7, 37, 193, 259, 1351, 7141, 49987, 428567, 2999969, 15856979, 82713431, 110998853, 578994017, 3060396947, 21422778629]

約数ペア:

[(1, 21422778629), (7, 3060396947), (37, 578994017), (193, 110998853), (259, 82713431), (1351, 15856979), (7141, 2999969), (49987, 428567)]