21900236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5437}}^1$

素因数の和:5513

約数の個数: 24

約数和(自身を含む): 41111280

約数和(自身を除く): 19211044

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5437, 10874, 21748, 103303, 206606, 288161, 413212, 576322, 1152644, 5475059, 10950118, 21900236]

約数ペア:

[(1, 21900236), (2, 10950118), (4, 5475059), (19, 1152644), (38, 576322), (53, 413212), (76, 288161), (106, 206606), (212, 103303), (1007, 21748), (2014, 10874), (4028, 5437)]