21000337358

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3329}}^1$

素因数の和:3522

約数の個数: 128

約数和(自身を含む): 44468766720

約数和(自身を除く): 23468429362

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 77, 91, 137, 143, 154, 161, 182, 253, 274, 286, 299, 322, 506, 598, 959, 1001, 1507, 1771, 1781, 1918, 2002, 2093, 3014, 3151, 3289, 3329, 3542, 3562, 4186, 6302, 6578, 6658, 10549, 12467, 19591, 21098, 22057, 23023, 23303, 24934, 34661, 36619, 39182, 40963, 43277, 44114, 46046, 46606, 69322, 73238, 76567, 81926, 86554, 137137, 153134, 242627, 256333, 274274, 286741, 302939, 450593, 456073, 476047, 485254, 512666, 535969, 573482, 605878, 842237, 901186, 912146, 952094, 995371, 1071938, 1684474, 1990742, 3154151, 3192511, 3332329, 5016803, 5895659, 5928949, 6308302, 6385022, 6664658, 6967597, 10033606, 10489679, 10949081, 11791318, 11857898, 13935194, 20979358, 21898162, 35117621, 41502643, 65218439, 70235242, 73427753, 76643567, 83005286, 115386469, 130436878, 136365827, 146855506, 153287134, 230772938, 272731654, 456529073, 807705283, 913058146, 954560789, 1500024097, 1615410566, 1909121578, 3000048194, 10500168679, 21000337358]

約数ペア:

[(1, 21000337358), (2, 10500168679), (7, 3000048194), (11, 1909121578), (13, 1615410566), (14, 1500024097), (22, 954560789), (23, 913058146), (26, 807705283), (46, 456529073), (77, 272731654), (91, 230772938), (137, 153287134), (143, 146855506), (154, 136365827), (161, 130436878), (182, 115386469), (253, 83005286), (274, 76643567), (286, 73427753), (299, 70235242), (322, 65218439), (506, 41502643), (598, 35117621), (959, 21898162), (1001, 20979358), (1507, 13935194), (1771, 11857898), (1781, 11791318), (1918, 10949081), (2002, 10489679), (2093, 10033606), (3014, 6967597), (3151, 6664658), (3289, 6385022), (3329, 6308302), (3542, 5928949), (3562, 5895659), (4186, 5016803), (6302, 3332329), (6578, 3192511), (6658, 3154151), (10549, 1990742), (12467, 1684474), (19591, 1071938), (21098, 995371), (22057, 952094), (23023, 912146), (23303, 901186), (24934, 842237), (34661, 605878), (36619, 573482), (39182, 535969), (40963, 512666), (43277, 485254), (44114, 476047), (46046, 456073), (46606, 450593), (69322, 302939), (73238, 286741), (76567, 274274), (81926, 256333), (86554, 242627), (137137, 153134)]