21418792274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1\times {\mathrm{42457}}^1$

素因数の和:43490

約数の個数: 32

約数和(自身を含む): 36610344576

約数和(自身を除く): 15191552302

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 997, 1994, 10967, 21934, 22931, 42457, 45862, 84914, 252241, 467027, 504482, 934054, 976511, 1953022, 10741621, 21483242, 42329629, 84659258, 465625919, 931251838, 973581467, 1947162934, 10709396137, 21418792274]

約数ペア:

[(1, 21418792274), (2, 10709396137), (11, 1947162934), (22, 973581467), (23, 931251838), (46, 465625919), (253, 84659258), (506, 42329629), (997, 21483242), (1994, 10741621), (10967, 1953022), (21934, 976511), (22931, 934054), (42457, 504482), (45862, 467027), (84914, 252241)]