17421978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{414809}}^1$

素因数の和:414821

約数の個数: 16

約数和(自身を含む): 39821760

約数和(自身を除く): 22399782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 414809, 829618, 1244427, 2488854, 2903663, 5807326, 8710989, 17421978]

約数ペア:

[(1, 17421978), (2, 8710989), (3, 5807326), (6, 2903663), (7, 2488854), (14, 1244427), (21, 829618), (42, 414809)]