2021061213

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{859}}^1\times {\mathrm{937}}^1$

素因数の和:1839

約数の個数: 40

約数和(自身を含む): 3123464960

約数和(自身を除く): 1102403747

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 859, 937, 2511, 2577, 2811, 7731, 8433, 23193, 25299, 26629, 29047, 69579, 75897, 79887, 87141, 239661, 261423, 718983, 784269, 804883, 2156949, 2352807, 2414649, 7243947, 21731841, 24951373, 65195523, 74854119, 224562357, 673687071, 2021061213]

約数ペア:

[(1, 2021061213), (3, 673687071), (9, 224562357), (27, 74854119), (31, 65195523), (81, 24951373), (93, 21731841), (279, 7243947), (837, 2414649), (859, 2352807), (937, 2156949), (2511, 804883), (2577, 784269), (2811, 718983), (7731, 261423), (8433, 239661), (23193, 87141), (25299, 79887), (26629, 75897), (29047, 69579)]