21242061

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46279}}^1$

素因数の和:46305

約数の個数: 16

約数和(自身を含む): 33321600

約数和(自身を除く): 12079539

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46279, 138837, 416511, 786743, 1249533, 2360229, 7080687, 21242061]

約数ペア:

[(1, 21242061), (3, 7080687), (9, 2360229), (17, 1249533), (27, 786743), (51, 416511), (153, 138837), (459, 46279)]