210120812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{53657}}^1$

素因数の和:53761

約数の個数: 24

約数和(自身を含む): 405654480

約数和(自身を除く): 195533668

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 53657, 107314, 214628, 590227, 1180454, 2360908, 4775473, 9550946, 19101892, 52530203, 105060406, 210120812]

約数ペア:

[(1, 210120812), (2, 105060406), (4, 52530203), (11, 19101892), (22, 9550946), (44, 4775473), (89, 2360908), (178, 1180454), (356, 590227), (979, 214628), (1958, 107314), (3916, 53657)]