21435381

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{72173}}^1$

素因数の和:72193

約数の個数: 16

約数和(自身を含む): 34643520

約数和(自身を除く): 13208139

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 72173, 216519, 649557, 793903, 1948671, 2381709, 7145127, 21435381]

約数ペア:

[(1, 21435381), (3, 7145127), (9, 2381709), (11, 1948671), (27, 793903), (33, 649557), (99, 216519), (297, 72173)]