21712712

素因数分解:

$2^3\times 7^1\times {\mathrm{387727}}^1$

素因数の和:387740

約数の個数: 16

約数和(自身を含む): 46527360

約数和(自身を除く): 24814648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 387727, 775454, 1550908, 2714089, 3101816, 5428178, 10856356, 21712712]

約数ペア:

[(1, 21712712), (2, 10856356), (4, 5428178), (7, 3101816), (8, 2714089), (14, 1550908), (28, 775454), (56, 387727)]