21795837

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2213}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 34325856

約数和(自身を除く): 12530019

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 2213, 3283, 6639, 9849, 15491, 46473, 108437, 148271, 325311, 444813, 1037897, 3113691, 7265279, 21795837]

約数ペア:

[(1, 21795837), (3, 7265279), (7, 3113691), (21, 1037897), (49, 444813), (67, 325311), (147, 148271), (201, 108437), (469, 46473), (1407, 15491), (2213, 9849), (3283, 6639)]