21309924

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{11311}}^1$

素因数の和:11475

約数の個数: 24

約数和(自身を含む): 50044288

約数和(自身を除く): 28734364

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 11311, 22622, 33933, 45244, 67866, 135732, 1775827, 3551654, 5327481, 7103308, 10654962, 21309924]

約数ペア:

[(1, 21309924), (2, 10654962), (3, 7103308), (4, 5327481), (6, 3551654), (12, 1775827), (157, 135732), (314, 67866), (471, 45244), (628, 33933), (942, 22622), (1884, 11311)]