21496578066

素因数分解:

$2^1\times 3^3\times {\mathrm{398084779}}^1$

素因数の和:398084790

約数の個数: 16

約数和(自身を含む): 47770173600

約数和(自身を除く): 26273595534

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 398084779, 796169558, 1194254337, 2388508674, 3582763011, 7165526022, 10748289033, 21496578066]

約数ペア:

[(1, 21496578066), (2, 10748289033), (3, 7165526022), (6, 3582763011), (9, 2388508674), (18, 1194254337), (27, 796169558), (54, 398084779)]