21725492061

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{27527}}^1$

素因数の和:27623

約数の個数: 64

約数和(自身を含む): 36997632000

約数和(自身を除く): 15272139939

約数列:

[1, 3, 7, 13, 21, 39, 49, 59, 91, 147, 177, 273, 343, 413, 637, 767, 1029, 1239, 1911, 2301, 2891, 4459, 5369, 8673, 13377, 16107, 20237, 27527, 37583, 60711, 82581, 112749, 192689, 263081, 357851, 578067, 789243, 1073553, 1348823, 1624093, 2504957, 4046469, 4872279, 7514871, 9441761, 11368651, 17534699, 21113209, 28325283, 34105953, 52604097, 63339627, 79580557, 122742893, 147792463, 238741671, 368228679, 443377389, 557063899, 1034547241, 1671191697, 3103641723, 7241830687, 21725492061]

約数ペア:

[(1, 21725492061), (3, 7241830687), (7, 3103641723), (13, 1671191697), (21, 1034547241), (39, 557063899), (49, 443377389), (59, 368228679), (91, 238741671), (147, 147792463), (177, 122742893), (273, 79580557), (343, 63339627), (413, 52604097), (637, 34105953), (767, 28325283), (1029, 21113209), (1239, 17534699), (1911, 11368651), (2301, 9441761), (2891, 7514871), (4459, 4872279), (5369, 4046469), (8673, 2504957), (13377, 1624093), (16107, 1348823), (20237, 1073553), (27527, 789243), (37583, 578067), (60711, 357851), (82581, 263081), (112749, 192689)]