21760415

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{433}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 28800240

約数和(自身を除く): 7039825

約数列:

[1, 5, 19, 23, 95, 115, 433, 437, 529, 2165, 2185, 2645, 8227, 9959, 10051, 41135, 49795, 50255, 189221, 229057, 946105, 1145285, 4352083, 21760415]

約数ペア:

[(1, 21760415), (5, 4352083), (19, 1145285), (23, 946105), (95, 229057), (115, 189221), (433, 50255), (437, 49795), (529, 41135), (2165, 10051), (2185, 9959), (2645, 8227)]