21541016

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3529}}^1$

素因数の和:3651

約数の個数: 32

約数和(自身を含む): 46596000

約数和(自身を除く): 25054984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3529, 6104, 7058, 14116, 24703, 28232, 49406, 98812, 197624, 384661, 769322, 1538644, 2692627, 3077288, 5385254, 10770508, 21541016]

約数ペア:

[(1, 21541016), (2, 10770508), (4, 5385254), (7, 3077288), (8, 2692627), (14, 1538644), (28, 769322), (56, 384661), (109, 197624), (218, 98812), (436, 49406), (763, 28232), (872, 24703), (1526, 14116), (3052, 7058), (3529, 6104)]