21297162

素因数分解:

$2^1\times 3^1\times {\mathrm{1321}}^1\times {\mathrm{2687}}^1$

素因数の和:4013

約数の個数: 16

約数和(自身を含む): 42642432

約数和(自身を除く): 21345270

約数列:

[1, 2, 3, 6, 1321, 2642, 2687, 3963, 5374, 7926, 8061, 16122, 3549527, 7099054, 10648581, 21297162]

約数ペア:

[(1, 21297162), (2, 10648581), (3, 7099054), (6, 3549527), (1321, 16122), (2642, 8061), (2687, 7926), (3963, 5374)]