21216216

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18041}}^1$

素因数の和:18064

約数の個数: 48

約数和(自身を含む): 61703640

約数和(自身を除く): 40487424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18041, 36082, 54123, 72164, 108246, 126287, 144328, 216492, 252574, 378861, 432984, 505148, 757722, 884009, 1010296, 1515444, 1768018, 2652027, 3030888, 3536036, 5304054, 7072072, 10608108, 21216216]

約数ペア:

[(1, 21216216), (2, 10608108), (3, 7072072), (4, 5304054), (6, 3536036), (7, 3030888), (8, 2652027), (12, 1768018), (14, 1515444), (21, 1010296), (24, 884009), (28, 757722), (42, 505148), (49, 432984), (56, 378861), (84, 252574), (98, 216492), (147, 144328), (168, 126287), (196, 108246), (294, 72164), (392, 54123), (588, 36082), (1176, 18041)]