21111876

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4219}}^1$

素因数の和:4368

約数の個数: 36

約数和(自身を含む): 53762800

約数和(自身を除く): 32650924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4219, 5004, 8438, 12657, 16876, 25314, 37971, 50628, 75942, 151884, 586441, 1172882, 1759323, 2345764, 3518646, 5277969, 7037292, 10555938, 21111876]

約数ペア:

[(1, 21111876), (2, 10555938), (3, 7037292), (4, 5277969), (6, 3518646), (9, 2345764), (12, 1759323), (18, 1172882), (36, 586441), (139, 151884), (278, 75942), (417, 50628), (556, 37971), (834, 25314), (1251, 16876), (1668, 12657), (2502, 8438), (4219, 5004)]