211721244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2520491}}^1$

素因数の和:2520505

約数の個数: 24

約数和(自身を含む): 564590208

約数和(自身を除く): 352868964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2520491, 5040982, 7561473, 10081964, 15122946, 17643437, 30245892, 35286874, 52930311, 70573748, 105860622, 211721244]

約数ペア:

[(1, 211721244), (2, 105860622), (3, 70573748), (4, 52930311), (6, 35286874), (7, 30245892), (12, 17643437), (14, 15122946), (21, 10081964), (28, 7561473), (42, 5040982), (84, 2520491)]