21617008

素因数分解:

$2^4\times 7^1\times {\mathrm{193009}}^1$

素因数の和:193024

約数の個数: 20

約数和(自身を含む): 47866480

約数和(自身を除く): 26249472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193009, 386018, 772036, 1351063, 1544072, 2702126, 3088144, 5404252, 10808504, 21617008]

約数ペア:

[(1, 21617008), (2, 10808504), (4, 5404252), (7, 3088144), (8, 2702126), (14, 1544072), (16, 1351063), (28, 772036), (56, 386018), (112, 193009)]