21263935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5021}}^1$

素因数の和:5055

約数の個数: 24

約数和(自身を含む): 32060448

約数和(自身を除く): 10796513

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 5021, 25105, 35147, 55231, 175735, 276155, 386617, 607541, 1933085, 3037705, 4252787, 21263935]

約数ペア:

[(1, 21263935), (5, 4252787), (7, 3037705), (11, 1933085), (35, 607541), (55, 386617), (77, 276155), (121, 175735), (385, 55231), (605, 35147), (847, 25105), (4235, 5021)]