21031059

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{27067}}^1$

素因数の和:27114

約数の個数: 16

約数和(自身を含む): 32914688

約数和(自身を除く): 11883629

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 27067, 81201, 189469, 568407, 1001479, 3004437, 7010353, 21031059]

約数ペア:

[(1, 21031059), (3, 7010353), (7, 3004437), (21, 1001479), (37, 568407), (111, 189469), (259, 81201), (777, 27067)]