21847155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12037}}^1$

素因数の和:12067

約数の個数: 24

約数和(自身を含む): 38425296

約数和(自身を除く): 16578141

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 12037, 36111, 60185, 132407, 180555, 397221, 662035, 1456477, 1986105, 4369431, 7282385, 21847155]

約数ペア:

[(1, 21847155), (3, 7282385), (5, 4369431), (11, 1986105), (15, 1456477), (33, 662035), (55, 397221), (121, 180555), (165, 132407), (363, 60185), (605, 36111), (1815, 12037)]