21728586

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 47583936

約数和(自身を除く): 25855350

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 401, 802, 821, 1203, 1642, 2406, 2463, 4411, 4926, 8822, 9031, 13233, 18062, 26466, 27093, 54186, 329221, 658442, 987663, 1975326, 3621431, 7242862, 10864293, 21728586]

約数ペア:

[(1, 21728586), (2, 10864293), (3, 7242862), (6, 3621431), (11, 1975326), (22, 987663), (33, 658442), (66, 329221), (401, 54186), (802, 27093), (821, 26466), (1203, 18062), (1642, 13233), (2406, 9031), (2463, 8822), (4411, 4926)]