21154.00000000

素因数分解:

$2^1\times 3^3\times {\mathrm{569}}^1\times {\mathrm{1493}}^1$

素因数の和:2073

約数の個数: 32

約数和(自身を含む): 102189600

約数和(自身を除く): 56315682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 569, 1138, 1493, 1707, 2986, 3414, 4479, 5121, 8958, 10242, 13437, 15363, 26874, 30726, 40311, 80622, 849517, 1699034, 2548551, 5097102, 7645653, 15291306, 22936959, 45873918]

約数ペア:

[(1, 45873918), (2, 22936959), (3, 15291306), (6, 7645653), (9, 5097102), (18, 2548551), (27, 1699034), (54, 849517), (569, 80622), (1138, 40311), (1493, 30726), (1707, 26874), (2986, 15363), (3414, 13437), (4479, 10242), (5121, 8958)]