21008226

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205963}}^1$

素因数の和:205985

約数の個数: 16

約数和(自身を含む): 44488224

約数和(自身を除く): 23479998

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205963, 411926, 617889, 1235778, 3501371, 7002742, 10504113, 21008226]

約数ペア:

[(1, 21008226), (2, 10504113), (3, 7002742), (6, 3501371), (17, 1235778), (34, 617889), (51, 411926), (102, 205963)]