21045035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5711}}^1$

素因数の和:5794

約数の個数: 16

約数和(自身を含む): 27965952

約数和(自身を除く): 6920917

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5711, 28555, 62821, 314105, 382637, 1913185, 4209007, 21045035]

約数ペア:

[(1, 21045035), (5, 4209007), (11, 1913185), (55, 382637), (67, 314105), (335, 62821), (737, 28555), (3685, 5711)]