21690636

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2251}}^1$

素因数の和:2342

約数の個数: 48

約数和(自身を含む): 55993728

約数和(自身を除く): 34303092

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 73, 132, 146, 219, 292, 438, 803, 876, 1606, 2251, 2409, 3212, 4502, 4818, 6753, 9004, 9636, 13506, 24761, 27012, 49522, 74283, 99044, 148566, 164323, 297132, 328646, 492969, 657292, 985938, 1807553, 1971876, 3615106, 5422659, 7230212, 10845318, 21690636]

約数ペア:

[(1, 21690636), (2, 10845318), (3, 7230212), (4, 5422659), (6, 3615106), (11, 1971876), (12, 1807553), (22, 985938), (33, 657292), (44, 492969), (66, 328646), (73, 297132), (132, 164323), (146, 148566), (219, 99044), (292, 74283), (438, 49522), (803, 27012), (876, 24761), (1606, 13506), (2251, 9636), (2409, 9004), (3212, 6753), (4502, 4818)]