21903466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 15795734

約数列:

[1, 2, 13, 19, 26, 38, 101, 202, 247, 439, 494, 878, 1313, 1919, 2626, 3838, 5707, 8341, 11414, 16682, 24947, 44339, 49894, 88678, 108433, 216866, 576407, 842441, 1152814, 1684882, 10951733, 21903466]

約数ペア:

[(1, 21903466), (2, 10951733), (13, 1684882), (19, 1152814), (26, 842441), (38, 576407), (101, 216866), (202, 108433), (247, 88678), (439, 49894), (494, 44339), (878, 24947), (1313, 16682), (1919, 11414), (2626, 8341), (3838, 5707)]