21766408

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66361}}^1$

素因数の和:66408

約数の個数: 16

約数和(自身を含む): 41808060

約数和(自身を除く): 20041652

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66361, 132722, 265444, 530888, 2720801, 5441602, 10883204, 21766408]

約数ペア:

[(1, 21766408), (2, 10883204), (4, 5441602), (8, 2720801), (41, 530888), (82, 265444), (164, 132722), (328, 66361)]