21421156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1583}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 39916800

約数和(自身を除く): 18495644

約数列:

[1, 2, 4, 17, 34, 68, 199, 398, 796, 1583, 3166, 3383, 6332, 6766, 13532, 26911, 53822, 107644, 315017, 630034, 1260068, 5355289, 10710578, 21421156]

約数ペア:

[(1, 21421156), (2, 10710578), (4, 5355289), (17, 1260068), (34, 630034), (68, 315017), (199, 107644), (398, 53822), (796, 26911), (1583, 13532), (3166, 6766), (3383, 6332)]