21866559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50971}}^1$

素因数の和:50998

約数の個数: 16

約数和(自身を含む): 34253184

約数和(自身を除く): 12386625

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50971, 152913, 560681, 662623, 1682043, 1987869, 7288853, 21866559]

約数ペア:

[(1, 21866559), (3, 7288853), (11, 1987869), (13, 1682043), (33, 662623), (39, 560681), (143, 152913), (429, 50971)]