21569716

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2477}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 43295616

約数和(自身を除く): 21725900

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 2477, 4354, 4954, 8708, 9908, 17339, 34678, 69356, 770347, 1540694, 3081388, 5392429, 10784858, 21569716]

約数ペア:

[(1, 21569716), (2, 10784858), (4, 5392429), (7, 3081388), (14, 1540694), (28, 770347), (311, 69356), (622, 34678), (1244, 17339), (2177, 9908), (2477, 8708), (4354, 4954)]