21659019201

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7901}}^1$

素因数の和:8007

約数の個数: 96

約数和(自身を含む): 37277210880

約数和(自身を除く): 15618191679

約数列:

[1, 3, 9, 17, 19, 23, 41, 51, 57, 69, 123, 153, 171, 207, 323, 369, 391, 437, 697, 779, 943, 969, 1173, 1311, 2091, 2337, 2829, 2907, 3519, 3933, 6273, 7011, 7429, 7901, 8487, 13243, 16031, 17917, 22287, 23703, 39729, 48093, 53751, 66861, 71109, 119187, 134317, 144279, 150119, 161253, 181723, 304589, 323941, 402951, 450357, 545169, 913767, 971823, 1208853, 1351071, 1635507, 2552023, 2741301, 2915469, 3089291, 3452737, 5506997, 6154879, 7450643, 7656069, 9267873, 10358211, 16520991, 18464637, 22351929, 22968207, 27803619, 31074633, 49562973, 55393911, 58696529, 67055787, 104632943, 126660931, 141562217, 176089587, 313898829, 379982793, 424686651, 528268761, 941696487, 1139948379, 1274059953, 2406557689, 7219673067, 21659019201]

約数ペア:

[(1, 21659019201), (3, 7219673067), (9, 2406557689), (17, 1274059953), (19, 1139948379), (23, 941696487), (41, 528268761), (51, 424686651), (57, 379982793), (69, 313898829), (123, 176089587), (153, 141562217), (171, 126660931), (207, 104632943), (323, 67055787), (369, 58696529), (391, 55393911), (437, 49562973), (697, 31074633), (779, 27803619), (943, 22968207), (969, 22351929), (1173, 18464637), (1311, 16520991), (2091, 10358211), (2337, 9267873), (2829, 7656069), (2907, 7450643), (3519, 6154879), (3933, 5506997), (6273, 3452737), (7011, 3089291), (7429, 2915469), (7901, 2741301), (8487, 2552023), (13243, 1635507), (16031, 1351071), (17917, 1208853), (22287, 971823), (23703, 913767), (39729, 545169), (48093, 450357), (53751, 402951), (66861, 323941), (71109, 304589), (119187, 181723), (134317, 161253), (144279, 150119)]