21839313

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2143}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 30187520

約数和(自身を除く): 8348207

約数列:

[1, 3, 43, 79, 129, 237, 2143, 3397, 6429, 10191, 92149, 169297, 276447, 507891, 7279771, 21839313]

約数ペア:

[(1, 21839313), (3, 7279771), (43, 507891), (79, 276447), (129, 169297), (237, 92149), (2143, 10191), (3397, 6429)]