21656012

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14593}}^1$

素因数の和:14657

約数の個数: 24

約数和(自身を含む): 44132256

約数和(自身を除く): 22476244

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14593, 29186, 58372, 102151, 204302, 408604, 773429, 1546858, 3093716, 5414003, 10828006, 21656012]

約数ペア:

[(1, 21656012), (2, 10828006), (4, 5414003), (7, 3093716), (14, 1546858), (28, 773429), (53, 408604), (106, 204302), (212, 102151), (371, 58372), (742, 29186), (1484, 14593)]