21940105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9277}}^1$

素因数の和:9336

約数の個数: 16

約数和(自身を含む): 29392704

約数和(自身を除く): 7452599

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 9277, 46385, 102047, 398911, 510235, 1994555, 4388021, 21940105]

約数ペア:

[(1, 21940105), (5, 4388021), (11, 1994555), (43, 510235), (55, 398911), (215, 102047), (473, 46385), (2365, 9277)]