21691894

素因数分解:

$2^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{3361}}^1$

素因数の和:3831

約数の個数: 16

約数和(自身を含む): 37277856

約数和(自身を除く): 15585962

約数列:

[1, 2, 7, 14, 461, 922, 3227, 3361, 6454, 6722, 23527, 47054, 1549421, 3098842, 10845947, 21691894]

約数ペア:

[(1, 21691894), (2, 10845947), (7, 3098842), (14, 1549421), (461, 47054), (922, 23527), (3227, 6722), (3361, 6454)]