21380165232

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:879

約数の個数: 160

約数和(自身を含む): 57510176256

約数和(自身を除く): 36130011024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 61, 106, 122, 159, 183, 212, 244, 311, 318, 366, 424, 443, 488, 622, 636, 732, 848, 886, 933, 976, 1244, 1272, 1329, 1464, 1772, 1866, 2488, 2544, 2658, 2928, 3233, 3544, 3732, 4976, 5316, 6466, 7088, 7464, 9699, 10632, 12932, 14928, 16483, 18971, 19398, 21264, 23479, 25864, 27023, 32966, 37942, 38796, 46958, 49449, 51728, 54046, 56913, 65932, 70437, 75884, 77592, 81069, 93916, 98898, 108092, 113826, 131864, 137773, 140874, 151768, 155184, 162138, 187832, 197796, 216184, 227652, 263728, 275546, 281748, 303536, 324276, 375664, 395592, 413319, 432368, 455304, 551092, 563496, 648552, 791184, 826638, 910608, 1005463, 1102184, 1126992, 1297104, 1432219, 1653276, 2010926, 2204368, 2864438, 3016389, 3306552, 4021852, 4296657, 5728876, 6032778, 6613104, 7301969, 8043704, 8404153, 8593314, 11457752, 12065556, 14603938, 16087408, 16808306, 17186628, 21905907, 22915504, 24131112, 25212459, 29207876, 33616612, 34373256, 43811814, 48262224, 50424918, 58415752, 67233224, 68746512, 87623628, 100849836, 116831504, 134466448, 175247256, 201699672, 350494512, 403399344, 445420109, 890840218, 1336260327, 1781680436, 2672520654, 3563360872, 5345041308, 7126721744, 10690082616, 21380165232]

約数ペア:

[(1, 21380165232), (2, 10690082616), (3, 7126721744), (4, 5345041308), (6, 3563360872), (8, 2672520654), (12, 1781680436), (16, 1336260327), (24, 890840218), (48, 445420109), (53, 403399344), (61, 350494512), (106, 201699672), (122, 175247256), (159, 134466448), (183, 116831504), (212, 100849836), (244, 87623628), (311, 68746512), (318, 67233224), (366, 58415752), (424, 50424918), (443, 48262224), (488, 43811814), (622, 34373256), (636, 33616612), (732, 29207876), (848, 25212459), (886, 24131112), (933, 22915504), (976, 21905907), (1244, 17186628), (1272, 16808306), (1329, 16087408), (1464, 14603938), (1772, 12065556), (1866, 11457752), (2488, 8593314), (2544, 8404153), (2658, 8043704), (2928, 7301969), (3233, 6613104), (3544, 6032778), (3732, 5728876), (4976, 4296657), (5316, 4021852), (6466, 3306552), (7088, 3016389), (7464, 2864438), (9699, 2204368), (10632, 2010926), (12932, 1653276), (14928, 1432219), (16483, 1297104), (18971, 1126992), (19398, 1102184), (21264, 1005463), (23479, 910608), (25864, 826638), (27023, 791184), (32966, 648552), (37942, 563496), (38796, 551092), (46958, 455304), (49449, 432368), (51728, 413319), (54046, 395592), (56913, 375664), (65932, 324276), (70437, 303536), (75884, 281748), (77592, 275546), (81069, 263728), (93916, 227652), (98898, 216184), (108092, 197796), (113826, 187832), (131864, 162138), (137773, 155184), (140874, 151768)]