21106610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4943}}^1$

素因数の和:5018

約数の個数: 32

約数和(自身を含む): 44140032

約数和(自身を除く): 23033422

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4943, 9886, 24715, 34601, 49430, 69202, 173005, 301523, 346010, 603046, 1507615, 2110661, 3015230, 4221322, 10553305, 21106610]

約数ペア:

[(1, 21106610), (2, 10553305), (5, 4221322), (7, 3015230), (10, 2110661), (14, 1507615), (35, 603046), (61, 346010), (70, 301523), (122, 173005), (305, 69202), (427, 49430), (610, 34601), (854, 24715), (2135, 9886), (4270, 4943)]