21379404

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{104801}}^1$

素因数の和:104825

約数の個数: 24

約数和(自身を含む): 52820208

約数和(自身を除く): 31440804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 104801, 209602, 314403, 419204, 628806, 1257612, 1781617, 3563234, 5344851, 7126468, 10689702, 21379404]

約数ペア:

[(1, 21379404), (2, 10689702), (3, 7126468), (4, 5344851), (6, 3563234), (12, 1781617), (17, 1257612), (34, 628806), (51, 419204), (68, 314403), (102, 209602), (204, 104801)]