21973666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{76831}}^1$

素因数の和:76857

約数の個数: 16

約数和(自身を含む): 38723328

約数和(自身を除く): 16749662

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 76831, 153662, 845141, 998803, 1690282, 1997606, 10986833, 21973666]

約数ペア:

[(1, 21973666), (2, 10986833), (11, 1997606), (13, 1690282), (22, 998803), (26, 845141), (143, 153662), (286, 76831)]