21048662

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1303}}^1$

素因数の和:1543

約数の個数: 16

約数和(自身を含む): 32532192

約数和(自身を除く): 11483530

約数列:

[1, 2, 41, 82, 197, 394, 1303, 2606, 8077, 16154, 53423, 106846, 256691, 513382, 10524331, 21048662]

約数ペア:

[(1, 21048662), (2, 10524331), (41, 513382), (82, 256691), (197, 106846), (394, 53423), (1303, 16154), (2606, 8077)]