21590576

素因数分解:

$2^4\times 7^2\times {\mathrm{27539}}^1$

素因数の和:27561

約数の個数: 30

約数和(自身を含む): 48663180

約数和(自身を除く): 27072604

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27539, 55078, 110156, 192773, 220312, 385546, 440624, 771092, 1349411, 1542184, 2698822, 3084368, 5397644, 10795288, 21590576]

約数ペア:

[(1, 21590576), (2, 10795288), (4, 5397644), (7, 3084368), (8, 2698822), (14, 1542184), (16, 1349411), (28, 771092), (49, 440624), (56, 385546), (98, 220312), (112, 192773), (196, 110156), (392, 55078), (784, 27539)]