21529611

素因数分解:

$3^3\times {\mathrm{199}}^1\times {\mathrm{4007}}^1$

素因数の和:4215

約数の個数: 16

約数和(自身を含む): 32064000

約数和(自身を除く): 10534389

約数列:

[1, 3, 9, 27, 199, 597, 1791, 4007, 5373, 12021, 36063, 108189, 797393, 2392179, 7176537, 21529611]

約数ペア:

[(1, 21529611), (3, 7176537), (9, 2392179), (27, 797393), (199, 108189), (597, 36063), (1791, 12021), (4007, 5373)]