21004057008

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1205467}}^1$

素因数の和:1205503

約数の個数: 90

約数和(自身を含む): 64611879332

約数和(自身を除く): 43607822324

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 726, 792, 968, 1089, 1452, 1584, 1936, 2178, 2904, 4356, 5808, 8712, 17424, 1205467, 2410934, 3616401, 4821868, 7232802, 9643736, 10849203, 13260137, 14465604, 19287472, 21698406, 26520274, 28931208, 39780411, 43396812, 53040548, 57862416, 79560822, 86793624, 106081096, 119341233, 145861507, 159121644, 173587248, 212162192, 238682466, 291723014, 318243288, 437584521, 477364932, 583446028, 636486576, 875169042, 954729864, 1166892056, 1312753563, 1750338084, 1909459728, 2333784112, 2625507126, 3500676168, 5251014252, 7001352336, 10502028504, 21004057008]

約数ペア:

[(1, 21004057008), (2, 10502028504), (3, 7001352336), (4, 5251014252), (6, 3500676168), (8, 2625507126), (9, 2333784112), (11, 1909459728), (12, 1750338084), (16, 1312753563), (18, 1166892056), (22, 954729864), (24, 875169042), (33, 636486576), (36, 583446028), (44, 477364932), (48, 437584521), (66, 318243288), (72, 291723014), (88, 238682466), (99, 212162192), (121, 173587248), (132, 159121644), (144, 145861507), (176, 119341233), (198, 106081096), (242, 86793624), (264, 79560822), (363, 57862416), (396, 53040548), (484, 43396812), (528, 39780411), (726, 28931208), (792, 26520274), (968, 21698406), (1089, 19287472), (1452, 14465604), (1584, 13260137), (1936, 10849203), (2178, 9643736), (2904, 7232802), (4356, 4821868), (5808, 3616401), (8712, 2410934), (17424, 1205467)]