21710288

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4363}}^1$

素因数の和:4682

約数の個数: 20

約数和(自身を含む): 42208608

約数和(自身を除く): 20498320

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4363, 4976, 8726, 17452, 34904, 69808, 1356893, 2713786, 5427572, 10855144, 21710288]

約数ペア:

[(1, 21710288), (2, 10855144), (4, 5427572), (8, 2713786), (16, 1356893), (311, 69808), (622, 34904), (1244, 17452), (2488, 8726), (4363, 4976)]