21238083

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 32767488

約数和(自身を除く): 11529405

約数列:

[1, 3, 9, 17, 51, 127, 153, 381, 1093, 1143, 2159, 3279, 6477, 9837, 18581, 19431, 55743, 138811, 167229, 416433, 1249299, 2359787, 7079361, 21238083]

約数ペア:

[(1, 21238083), (3, 7079361), (9, 2359787), (17, 1249299), (51, 416433), (127, 167229), (153, 138811), (381, 55743), (1093, 19431), (1143, 18581), (2159, 9837), (3279, 6477)]