21184713

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71329}}^1$

素因数の和:71349

約数の個数: 16

約数和(自身を含む): 34238400

約数和(自身を除く): 13053687

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 71329, 213987, 641961, 784619, 1925883, 2353857, 7061571, 21184713]

約数ペア:

[(1, 21184713), (3, 7061571), (9, 2353857), (11, 1925883), (27, 784619), (33, 641961), (99, 213987), (297, 71329)]