21809656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1783}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 44956800

約数和(自身を除く): 23147144

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 1783, 3058, 3566, 6116, 7132, 12232, 14264, 19613, 39226, 78452, 156904, 247837, 495674, 991348, 1982696, 2726207, 5452414, 10904828, 21809656]

約数ペア:

[(1, 21809656), (2, 10904828), (4, 5452414), (8, 2726207), (11, 1982696), (22, 991348), (44, 495674), (88, 247837), (139, 156904), (278, 78452), (556, 39226), (1112, 19613), (1529, 14264), (1783, 12232), (3058, 7132), (3566, 6116)]