21908783078

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:443

約数の個数: 192

約数和(自身を含む): 45008732160

約数和(自身を除く): 23099949082

約数列:

[1, 2, 7, 13, 14, 23, 26, 31, 46, 49, 62, 89, 91, 98, 161, 178, 182, 217, 271, 299, 322, 403, 434, 542, 598, 623, 637, 713, 806, 1127, 1157, 1246, 1274, 1426, 1519, 1897, 2047, 2093, 2254, 2314, 2759, 2821, 3038, 3523, 3794, 4094, 4186, 4361, 4991, 5518, 5642, 6233, 7046, 8099, 8401, 8722, 9269, 9982, 12466, 13279, 14329, 14651, 16198, 16802, 18538, 19313, 19747, 24119, 24661, 26558, 26611, 28658, 29302, 34937, 35867, 38626, 39494, 43631, 48238, 49322, 53222, 56693, 58807, 63457, 64883, 69874, 71734, 81029, 87262, 100303, 109213, 113386, 117614, 126914, 129766, 135191, 162058, 168833, 172627, 186277, 193223, 200606, 218426, 251069, 270382, 305417, 313547, 337666, 345254, 372554, 386446, 411649, 444199, 454181, 502138, 554737, 567203, 610834, 627094, 747689, 764491, 823298, 824941, 888398, 908362, 1109474, 1134406, 1181831, 1303939, 1352561, 1495378, 1528982, 1649882, 1757483, 2194829, 2363662, 2511899, 2607878, 2705122, 3109393, 3514966, 3883159, 3970421, 4389658, 5023798, 5233823, 5351437, 5774587, 6218786, 7211581, 7766318, 7940842, 9467927, 9719957, 10467646, 10702874, 11549174, 14423162, 15363803, 17196847, 17583293, 18935854, 19439914, 27182113, 30727606, 34393694, 35166586, 36636761, 40422109, 50481067, 54364226, 68039699, 73273522, 80844218, 100962134, 120377929, 123083051, 136079398, 223559011, 240755858, 246166102, 353367469, 447118022, 476277893, 706734938, 842645503, 952555786, 1564913077, 1685291006, 3129826154, 10954391539, 21908783078]

約数ペア:

[(1, 21908783078), (2, 10954391539), (7, 3129826154), (13, 1685291006), (14, 1564913077), (23, 952555786), (26, 842645503), (31, 706734938), (46, 476277893), (49, 447118022), (62, 353367469), (89, 246166102), (91, 240755858), (98, 223559011), (161, 136079398), (178, 123083051), (182, 120377929), (217, 100962134), (271, 80844218), (299, 73273522), (322, 68039699), (403, 54364226), (434, 50481067), (542, 40422109), (598, 36636761), (623, 35166586), (637, 34393694), (713, 30727606), (806, 27182113), (1127, 19439914), (1157, 18935854), (1246, 17583293), (1274, 17196847), (1426, 15363803), (1519, 14423162), (1897, 11549174), (2047, 10702874), (2093, 10467646), (2254, 9719957), (2314, 9467927), (2759, 7940842), (2821, 7766318), (3038, 7211581), (3523, 6218786), (3794, 5774587), (4094, 5351437), (4186, 5233823), (4361, 5023798), (4991, 4389658), (5518, 3970421), (5642, 3883159), (6233, 3514966), (7046, 3109393), (8099, 2705122), (8401, 2607878), (8722, 2511899), (9269, 2363662), (9982, 2194829), (12466, 1757483), (13279, 1649882), (14329, 1528982), (14651, 1495378), (16198, 1352561), (16802, 1303939), (18538, 1181831), (19313, 1134406), (19747, 1109474), (24119, 908362), (24661, 888398), (26558, 824941), (26611, 823298), (28658, 764491), (29302, 747689), (34937, 627094), (35867, 610834), (38626, 567203), (39494, 554737), (43631, 502138), (48238, 454181), (49322, 444199), (53222, 411649), (56693, 386446), (58807, 372554), (63457, 345254), (64883, 337666), (69874, 313547), (71734, 305417), (81029, 270382), (87262, 251069), (100303, 218426), (109213, 200606), (113386, 193223), (117614, 186277), (126914, 172627), (129766, 168833), (135191, 162058)]