21477069

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1733}}^1$

素因数の和:1768

約数の個数: 28

約数和(自身を含む): 34114716

約数和(自身を除く): 12637647

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 1733, 4131, 5199, 12393, 15597, 29461, 46791, 88383, 140373, 265149, 421119, 795447, 1263357, 2386341, 7159023, 21477069]

約数ペア:

[(1, 21477069), (3, 7159023), (9, 2386341), (17, 1263357), (27, 795447), (51, 421119), (81, 265149), (153, 140373), (243, 88383), (459, 46791), (729, 29461), (1377, 15597), (1733, 12393), (4131, 5199)]