21111870976

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 320

約数和(自身を含む): 53488005120

約数和(自身を除く): 32376134144

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 64, 73, 76, 112, 124, 128, 133, 137, 146, 152, 217, 224, 248, 256, 266, 274, 292, 304, 434, 448, 496, 511, 512, 532, 548, 584, 589, 608, 868, 896, 959, 992, 1022, 1064, 1096, 1168, 1178, 1216, 1387, 1736, 1792, 1918, 1984, 2044, 2128, 2192, 2263, 2336, 2356, 2432, 2603, 2774, 3472, 3584, 3836, 3968, 4088, 4123, 4247, 4256, 4384, 4526, 4672, 4712, 4864, 5206, 5548, 6944, 7672, 7936, 8176, 8246, 8494, 8512, 8768, 9052, 9344, 9424, 9709, 9728, 10001, 10412, 11096, 13888, 15344, 15841, 15872, 16352, 16492, 16988, 17024, 17536, 18104, 18221, 18688, 18848, 19418, 20002, 20824, 22192, 27776, 29729, 30688, 31682, 32704, 32984, 33976, 34048, 35072, 36208, 36442, 37376, 37696, 38836, 40004, 41648, 42997, 44384, 55552, 59458, 61376, 63364, 65408, 65968, 67952, 68096, 70007, 70144, 72416, 72884, 75392, 77672, 80008, 80693, 83296, 85994, 88768, 111104, 118916, 122752, 126728, 130816, 131936, 135904, 140014, 144832, 145768, 150784, 155344, 160016, 161386, 166592, 171988, 177536, 190019, 237832, 245504, 253456, 261632, 263872, 271808, 280028, 289664, 291536, 300979, 301568, 310031, 310688, 320032, 322772, 333184, 343976, 355072, 380038, 475664, 491008, 506912, 527744, 543616, 560056, 564851, 579328, 583072, 601958, 620062, 621376, 640064, 645544, 666368, 687952, 710144, 760076, 951328, 1013824, 1055488, 1087232, 1120112, 1129702, 1158656, 1166144, 1203916, 1240124, 1242752, 1280128, 1291088, 1330133, 1332736, 1375904, 1520152, 1902656, 2027648, 2110976, 2170217, 2174464, 2240224, 2259404, 2332288, 2407832, 2480248, 2485504, 2560256, 2582176, 2660266, 2751808, 3040304, 3805312, 4055296, 4340434, 4480448, 4518808, 4664576, 4815664, 4960496, 4971008, 5120512, 5164352, 5320532, 5503616, 5890589, 6080608, 7610624, 8110592, 8680868, 8960896, 9037616, 9329152, 9631328, 9920992, 10328704, 10641064, 11007232, 11781178, 12161216, 15221248, 17361736, 17921792, 18075232, 19262656, 19841984, 20657408, 21282128, 22014464, 23562356, 24322432, 34723472, 35843584, 36150464, 38525312, 39683968, 41234123, 41314816, 42564256, 47124712, 48644864, 69446944, 72300928, 77050624, 79367936, 82468246, 85128512, 94249424, 97289728, 138893888, 144601856, 154101248, 158735872, 164936492, 170257024, 188498848, 277787776, 289203712, 329872984, 340514048, 376997696, 555575552, 659745968, 681028096, 753995392, 1111151104, 1319491936, 1507990784, 2638983872, 3015981568, 5277967744, 10555935488, 21111870976]

約数ペア:

[(1, 21111870976), (2, 10555935488), (4, 5277967744), (7, 3015981568), (8, 2638983872), (14, 1507990784), (16, 1319491936), (19, 1111151104), (28, 753995392), (31, 681028096), (32, 659745968), (38, 555575552), (56, 376997696), (62, 340514048), (64, 329872984), (73, 289203712), (76, 277787776), (112, 188498848), (124, 170257024), (128, 164936492), (133, 158735872), (137, 154101248), (146, 144601856), (152, 138893888), (217, 97289728), (224, 94249424), (248, 85128512), (256, 82468246), (266, 79367936), (274, 77050624), (292, 72300928), (304, 69446944), (434, 48644864), (448, 47124712), (496, 42564256), (511, 41314816), (512, 41234123), (532, 39683968), (548, 38525312), (584, 36150464), (589, 35843584), (608, 34723472), (868, 24322432), (896, 23562356), (959, 22014464), (992, 21282128), (1022, 20657408), (1064, 19841984), (1096, 19262656), (1168, 18075232), (1178, 17921792), (1216, 17361736), (1387, 15221248), (1736, 12161216), (1792, 11781178), (1918, 11007232), (1984, 10641064), (2044, 10328704), (2128, 9920992), (2192, 9631328), (2263, 9329152), (2336, 9037616), (2356, 8960896), (2432, 8680868), (2603, 8110592), (2774, 7610624), (3472, 6080608), (3584, 5890589), (3836, 5503616), (3968, 5320532), (4088, 5164352), (4123, 5120512), (4247, 4971008), (4256, 4960496), (4384, 4815664), (4526, 4664576), (4672, 4518808), (4712, 4480448), (4864, 4340434), (5206, 4055296), (5548, 3805312), (6944, 3040304), (7672, 2751808), (7936, 2660266), (8176, 2582176), (8246, 2560256), (8494, 2485504), (8512, 2480248), (8768, 2407832), (9052, 2332288), (9344, 2259404), (9424, 2240224), (9709, 2174464), (9728, 2170217), (10001, 2110976), (10412, 2027648), (11096, 1902656), (13888, 1520152), (15344, 1375904), (15841, 1332736), (15872, 1330133), (16352, 1291088), (16492, 1280128), (16988, 1242752), (17024, 1240124), (17536, 1203916), (18104, 1166144), (18221, 1158656), (18688, 1129702), (18848, 1120112), (19418, 1087232), (20002, 1055488), (20824, 1013824), (22192, 951328), (27776, 760076), (29729, 710144), (30688, 687952), (31682, 666368), (32704, 645544), (32984, 640064), (33976, 621376), (34048, 620062), (35072, 601958), (36208, 583072), (36442, 579328), (37376, 564851), (37696, 560056), (38836, 543616), (40004, 527744), (41648, 506912), (42997, 491008), (44384, 475664), (55552, 380038), (59458, 355072), (61376, 343976), (63364, 333184), (65408, 322772), (65968, 320032), (67952, 310688), (68096, 310031), (70007, 301568), (70144, 300979), (72416, 291536), (72884, 289664), (75392, 280028), (77672, 271808), (80008, 263872), (80693, 261632), (83296, 253456), (85994, 245504), (88768, 237832), (111104, 190019), (118916, 177536), (122752, 171988), (126728, 166592), (130816, 161386), (131936, 160016), (135904, 155344), (140014, 150784), (144832, 145768)]