21604010

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11311}}^1$

素因数の和:11509

約数の個数: 16

約数和(自身を含む): 39094272

約数和(自身を除く): 17490262

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 11311, 22622, 56555, 113110, 2160401, 4320802, 10802005, 21604010]

約数ペア:

[(1, 21604010), (2, 10802005), (5, 4320802), (10, 2160401), (191, 113110), (382, 56555), (955, 22622), (1910, 11311)]