21709323

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47297}}^1$

素因数の和:47323

約数の個数: 16

約数和(自身を含む): 34054560

約数和(自身を除く): 12345237

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47297, 141891, 425673, 804049, 1277019, 2412147, 7236441, 21709323]

約数ペア:

[(1, 21709323), (3, 7236441), (9, 2412147), (17, 1277019), (27, 804049), (51, 425673), (153, 141891), (459, 47297)]