21596409

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47051}}^1$

素因数の和:47077

約数の個数: 16

約数和(自身を含む): 33877440

約数和(自身を除く): 12281031

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47051, 141153, 423459, 799867, 1270377, 2399601, 7198803, 21596409]

約数ペア:

[(1, 21596409), (3, 7198803), (9, 2399601), (17, 1270377), (27, 799867), (51, 423459), (153, 141153), (459, 47051)]