21916792

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{383}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 21214088

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 311, 383, 622, 766, 1244, 1532, 2488, 3064, 7153, 8809, 14306, 17618, 28612, 35236, 57224, 70472, 119113, 238226, 476452, 952904, 2739599, 5479198, 10958396, 21916792]

約数ペア:

[(1, 21916792), (2, 10958396), (4, 5479198), (8, 2739599), (23, 952904), (46, 476452), (92, 238226), (184, 119113), (311, 70472), (383, 57224), (622, 35236), (766, 28612), (1244, 17618), (1532, 14306), (2488, 8809), (3064, 7153)]