21611632

素因数分解:

$2^4\times 7^1\times {\mathrm{192961}}^1$

素因数の和:192976

約数の個数: 20

約数和(自身を含む): 47854576

約数和(自身を除く): 26242944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192961, 385922, 771844, 1350727, 1543688, 2701454, 3087376, 5402908, 10805816, 21611632]

約数ペア:

[(1, 21611632), (2, 10805816), (4, 5402908), (7, 3087376), (8, 2701454), (14, 1543688), (16, 1350727), (28, 771844), (56, 385922), (112, 192961)]