21581244048

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41519}}^1$

素因数の和:41574

約数の個数: 240

約数和(自身を含む): 73952766720

約数和(自身を除く): 52371522672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 49, 51, 52, 56, 68, 78, 84, 91, 98, 102, 104, 112, 119, 136, 147, 156, 168, 182, 196, 204, 208, 221, 238, 272, 273, 294, 312, 336, 357, 364, 392, 408, 442, 476, 546, 588, 624, 637, 663, 714, 728, 784, 816, 833, 884, 952, 1092, 1176, 1274, 1326, 1428, 1456, 1547, 1666, 1768, 1904, 1911, 2184, 2352, 2499, 2548, 2652, 2856, 3094, 3332, 3536, 3822, 4368, 4641, 4998, 5096, 5304, 5712, 6188, 6664, 7644, 9282, 9996, 10192, 10608, 10829, 12376, 13328, 15288, 18564, 19992, 21658, 24752, 30576, 32487, 37128, 39984, 41519, 43316, 64974, 74256, 83038, 86632, 124557, 129948, 166076, 173264, 249114, 259896, 290633, 332152, 498228, 519792, 539747, 581266, 664304, 705823, 871899, 996456, 1079494, 1162532, 1411646, 1619241, 1743798, 1992912, 2034431, 2117469, 2158988, 2325064, 2823292, 3238482, 3487596, 3778229, 4068862, 4234938, 4317976, 4650128, 4940761, 5646584, 6103293, 6476964, 6975192, 7556458, 8137724, 8469876, 8635952, 9175699, 9881522, 11293168, 11334687, 12206586, 12953928, 13950384, 14822283, 15112916, 16275448, 16939752, 18351398, 19763044, 22669374, 24413172, 25907856, 26447603, 27527097, 29644566, 30225832, 32550896, 33879504, 34585327, 36702796, 39526088, 45338748, 48826344, 52895206, 55054194, 59289132, 60451664, 64229893, 69170654, 73405592, 79052176, 79342809, 90677496, 97652688, 103755981, 105790412, 110108388, 118578264, 128459786, 138341308, 146811184, 158685618, 181354992, 192689679, 207511962, 211580824, 220216776, 237156528, 256919572, 276682616, 317371236, 385379358, 415023924, 423161648, 440433552, 449609251, 513839144, 553365232, 634742472, 770758716, 830047848, 899218502, 1027678288, 1269484944, 1348827753, 1541517432, 1660095696, 1798437004, 2697655506, 3083034864, 3596874008, 5395311012, 7193748016, 10790622024, 21581244048]

約数ペア:

[(1, 21581244048), (2, 10790622024), (3, 7193748016), (4, 5395311012), (6, 3596874008), (7, 3083034864), (8, 2697655506), (12, 1798437004), (13, 1660095696), (14, 1541517432), (16, 1348827753), (17, 1269484944), (21, 1027678288), (24, 899218502), (26, 830047848), (28, 770758716), (34, 634742472), (39, 553365232), (42, 513839144), (48, 449609251), (49, 440433552), (51, 423161648), (52, 415023924), (56, 385379358), (68, 317371236), (78, 276682616), (84, 256919572), (91, 237156528), (98, 220216776), (102, 211580824), (104, 207511962), (112, 192689679), (119, 181354992), (136, 158685618), (147, 146811184), (156, 138341308), (168, 128459786), (182, 118578264), (196, 110108388), (204, 105790412), (208, 103755981), (221, 97652688), (238, 90677496), (272, 79342809), (273, 79052176), (294, 73405592), (312, 69170654), (336, 64229893), (357, 60451664), (364, 59289132), (392, 55054194), (408, 52895206), (442, 48826344), (476, 45338748), (546, 39526088), (588, 36702796), (624, 34585327), (637, 33879504), (663, 32550896), (714, 30225832), (728, 29644566), (784, 27527097), (816, 26447603), (833, 25907856), (884, 24413172), (952, 22669374), (1092, 19763044), (1176, 18351398), (1274, 16939752), (1326, 16275448), (1428, 15112916), (1456, 14822283), (1547, 13950384), (1666, 12953928), (1768, 12206586), (1904, 11334687), (1911, 11293168), (2184, 9881522), (2352, 9175699), (2499, 8635952), (2548, 8469876), (2652, 8137724), (2856, 7556458), (3094, 6975192), (3332, 6476964), (3536, 6103293), (3822, 5646584), (4368, 4940761), (4641, 4650128), (4998, 4317976), (5096, 4234938), (5304, 4068862), (5712, 3778229), (6188, 3487596), (6664, 3238482), (7644, 2823292), (9282, 2325064), (9996, 2158988), (10192, 2117469), (10608, 2034431), (10829, 1992912), (12376, 1743798), (13328, 1619241), (15288, 1411646), (18564, 1162532), (19992, 1079494), (21658, 996456), (24752, 871899), (30576, 705823), (32487, 664304), (37128, 581266), (39984, 539747), (41519, 519792), (43316, 498228), (64974, 332152), (74256, 290633), (83038, 259896), (86632, 249114), (124557, 173264), (129948, 166076)]