21053007558

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1289}}^1\times {\mathrm{7499}}^1$

素因数の和:8818

約数の個数: 72

約数和(自身を含む): 50184225000

約数和(自身を除く): 29131217442

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 1289, 2178, 2578, 3867, 7499, 7734, 11601, 14179, 14998, 22497, 23202, 28358, 42537, 44994, 67491, 82489, 85074, 127611, 134982, 155969, 164978, 247467, 255222, 311938, 467907, 494934, 742401, 907379, 935814, 1403721, 1484802, 1814758, 2722137, 2807442, 5444274, 8166411, 9666211, 16332822, 19332422, 28998633, 57997266, 86995899, 106328321, 173991798, 212656642, 318984963, 637969926, 956954889, 1169611531, 1913909778, 2339223062, 3508834593, 7017669186, 10526503779, 21053007558]

約数ペア:

[(1, 21053007558), (2, 10526503779), (3, 7017669186), (6, 3508834593), (9, 2339223062), (11, 1913909778), (18, 1169611531), (22, 956954889), (33, 637969926), (66, 318984963), (99, 212656642), (121, 173991798), (198, 106328321), (242, 86995899), (363, 57997266), (726, 28998633), (1089, 19332422), (1289, 16332822), (2178, 9666211), (2578, 8166411), (3867, 5444274), (7499, 2807442), (7734, 2722137), (11601, 1814758), (14179, 1484802), (14998, 1403721), (22497, 935814), (23202, 907379), (28358, 742401), (42537, 494934), (44994, 467907), (67491, 311938), (82489, 255222), (85074, 247467), (127611, 164978), (134982, 155969)]