21824156949

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2977781}}^1$

素因数の和:2978140

約数の個数: 16

約数和(自身を含む): 33351158400

約数和(自身を除く): 11527001451

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 7329, 2977781, 8933343, 20844467, 62533401, 1039245569, 3117736707, 7274718983, 21824156949]

約数ペア:

[(1, 21824156949), (3, 7274718983), (7, 3117736707), (21, 1039245569), (349, 62533401), (1047, 20844467), (2443, 8933343), (7329, 2977781)]