21063438

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:558

約数の個数: 72

約数和(自身を含む): 52907400

約数和(自身を除く): 31843962

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 121, 171, 198, 209, 242, 342, 363, 418, 509, 627, 726, 1018, 1089, 1254, 1527, 1881, 2178, 2299, 3054, 3762, 4581, 4598, 5599, 6897, 9162, 9671, 11198, 13794, 16797, 19342, 20691, 29013, 33594, 41382, 50391, 58026, 61589, 87039, 100782, 106381, 123178, 174078, 184767, 212762, 319143, 369534, 554301, 638286, 957429, 1108602, 1170191, 1914858, 2340382, 3510573, 7021146, 10531719, 21063438]

約数ペア:

[(1, 21063438), (2, 10531719), (3, 7021146), (6, 3510573), (9, 2340382), (11, 1914858), (18, 1170191), (19, 1108602), (22, 957429), (33, 638286), (38, 554301), (57, 369534), (66, 319143), (99, 212762), (114, 184767), (121, 174078), (171, 123178), (198, 106381), (209, 100782), (242, 87039), (342, 61589), (363, 58026), (418, 50391), (509, 41382), (627, 33594), (726, 29013), (1018, 20691), (1089, 19342), (1254, 16797), (1527, 13794), (1881, 11198), (2178, 9671), (2299, 9162), (3054, 6897), (3762, 5599), (4581, 4598)]