21752554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{9011}}^1$

素因数の和:9101

約数の個数: 16

約数和(自身を含む): 35038656

約数和(自身を除く): 13286102

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 9011, 18022, 153187, 306374, 639781, 1279562, 10876277, 21752554]

約数ペア:

[(1, 21752554), (2, 10876277), (17, 1279562), (34, 639781), (71, 306374), (142, 153187), (1207, 18022), (2414, 9011)]