21743788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1879}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 41690880

約数和(自身を除く): 19947092

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1879, 2893, 3758, 5786, 7516, 11572, 20669, 41338, 82676, 494177, 988354, 1976708, 5435947, 10871894, 21743788]

約数ペア:

[(1, 21743788), (2, 10871894), (4, 5435947), (11, 1976708), (22, 988354), (44, 494177), (263, 82676), (526, 41338), (1052, 20669), (1879, 11572), (2893, 7516), (3758, 5786)]