21435755

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{3221}}^1$

素因数の和:3259

約数の個数: 16

約数和(自身を含む): 28302048

約数和(自身を除く): 6866293

約数列:

[1, 5, 11, 55, 121, 605, 1331, 3221, 6655, 16105, 35431, 177155, 389741, 1948705, 4287151, 21435755]

約数ペア:

[(1, 21435755), (5, 4287151), (11, 1948705), (55, 389741), (121, 177155), (605, 35431), (1331, 16105), (3221, 6655)]