21915693849

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:599

約数の個数: 96

約数和(自身を含む): 36692930560

約数和(自身を除く): 14777236711

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 241, 271, 399, 551, 609, 723, 813, 841, 1653, 1687, 1897, 2523, 3857, 4579, 5061, 5149, 5691, 5887, 6989, 7859, 11571, 13737, 15447, 15979, 17661, 20967, 23577, 32053, 36043, 47937, 48923, 55013, 65311, 96159, 108129, 111853, 132791, 146769, 149321, 165039, 195933, 202681, 227911, 335559, 398373, 447963, 457177, 608043, 683733, 929537, 1045247, 1240909, 1371531, 1418767, 1595377, 1894019, 2788611, 3135741, 3722727, 3850939, 4256301, 4330309, 4786131, 5682057, 8686363, 11552817, 12990927, 13258133, 26059089, 26956573, 30312163, 35986361, 39774399, 54926551, 80869719, 90936489, 107959083, 164779653, 251904527, 384485857, 755713581, 1043604469, 1153457571, 3130813407, 7305231283, 21915693849]

約数ペア:

[(1, 21915693849), (3, 7305231283), (7, 3130813407), (19, 1153457571), (21, 1043604469), (29, 755713581), (57, 384485857), (87, 251904527), (133, 164779653), (203, 107959083), (241, 90936489), (271, 80869719), (399, 54926551), (551, 39774399), (609, 35986361), (723, 30312163), (813, 26956573), (841, 26059089), (1653, 13258133), (1687, 12990927), (1897, 11552817), (2523, 8686363), (3857, 5682057), (4579, 4786131), (5061, 4330309), (5149, 4256301), (5691, 3850939), (5887, 3722727), (6989, 3135741), (7859, 2788611), (11571, 1894019), (13737, 1595377), (15447, 1418767), (15979, 1371531), (17661, 1240909), (20967, 1045247), (23577, 929537), (32053, 683733), (36043, 608043), (47937, 457177), (48923, 447963), (55013, 398373), (65311, 335559), (96159, 227911), (108129, 202681), (111853, 195933), (132791, 165039), (146769, 149321)]