21858214

素因数分解:

$2^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{3329}}^1$

素因数の和:3412

約数の個数: 24

約数和(自身を含む): 38721240

約数和(自身を除く): 16863026

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 469, 938, 3283, 3329, 6566, 6658, 23303, 46606, 163121, 223043, 326242, 446086, 1561301, 3122602, 10929107, 21858214]

約数ペア:

[(1, 21858214), (2, 10929107), (7, 3122602), (14, 1561301), (49, 446086), (67, 326242), (98, 223043), (134, 163121), (469, 46606), (938, 23303), (3283, 6658), (3329, 6566)]