21520982016

素因数分解:

$2^{13}\times 3^5\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 336

約数和(自身を含む): 67982896800

約数和(自身を除く): 46461914784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 81, 96, 108, 114, 128, 144, 152, 162, 171, 192, 216, 228, 243, 256, 288, 304, 324, 342, 384, 432, 456, 486, 512, 513, 569, 576, 608, 648, 684, 768, 864, 912, 972, 1024, 1026, 1138, 1152, 1216, 1296, 1368, 1536, 1539, 1707, 1728, 1824, 1944, 2048, 2052, 2276, 2304, 2432, 2592, 2736, 3072, 3078, 3414, 3456, 3648, 3888, 4096, 4104, 4552, 4608, 4617, 4864, 5121, 5184, 5472, 6144, 6156, 6828, 6912, 7296, 7776, 8192, 8208, 9104, 9216, 9234, 9728, 10242, 10368, 10811, 10944, 12288, 12312, 13656, 13824, 14592, 15363, 15552, 16416, 18208, 18432, 18468, 19456, 20484, 20736, 21622, 21888, 24576, 24624, 27312, 27648, 29184, 30726, 31104, 32433, 32832, 36416, 36864, 36936, 38912, 40968, 41472, 43244, 43776, 46089, 49248, 54624, 55296, 58368, 61452, 62208, 64866, 65664, 72832, 73728, 73872, 77824, 81936, 82944, 86488, 87552, 92178, 97299, 98496, 109248, 110592, 116736, 122904, 124416, 129732, 131328, 138267, 145664, 147744, 155648, 163872, 165888, 172976, 175104, 184356, 194598, 196992, 218496, 221184, 233472, 245808, 248832, 259464, 262656, 276534, 291328, 291897, 295488, 327744, 331776, 345952, 350208, 368712, 389196, 393984, 436992, 466944, 491616, 497664, 518928, 525312, 553068, 582656, 583794, 590976, 655488, 663552, 691904, 700416, 737424, 778392, 787968, 873984, 875691, 983232, 995328, 1037856, 1050624, 1106136, 1165312, 1167588, 1181952, 1310976, 1383808, 1400832, 1474848, 1556784, 1575936, 1747968, 1751382, 1966464, 1990656, 2075712, 2101248, 2212272, 2330624, 2335176, 2363904, 2621952, 2627073, 2767616, 2949696, 3113568, 3151872, 3495936, 3502764, 3932928, 4151424, 4202496, 4424544, 4661248, 4670352, 4727808, 5243904, 5254146, 5535232, 5899392, 6227136, 6303744, 6991872, 7005528, 7865856, 8302848, 8849088, 9340704, 9455616, 10487808, 10508292, 11070464, 11798784, 12454272, 12607488, 13983744, 14011056, 15731712, 16605696, 17698176, 18681408, 18911232, 20975616, 21016584, 22140928, 23597568, 24908544, 28022112, 31463424, 33211392, 35396352, 37362816, 37822464, 41951232, 42033168, 44281856, 47195136, 49817088, 56044224, 62926848, 66422784, 70792704, 74725632, 84066336, 88563712, 94390272, 99634176, 112088448, 125853696, 132845568, 141585408, 149451264, 168132672, 188780544, 199268352, 224176896, 265691136, 283170816, 298902528, 336265344, 377561088, 398536704, 448353792, 566341632, 597805056, 672530688, 797073408, 896707584, 1132683264, 1195610112, 1345061376, 1793415168, 2391220224, 2690122752, 3586830336, 5380245504, 7173660672, 10760491008, 21520982016]

約数ペア:

[(1, 21520982016), (2, 10760491008), (3, 7173660672), (4, 5380245504), (6, 3586830336), (8, 2690122752), (9, 2391220224), (12, 1793415168), (16, 1345061376), (18, 1195610112), (19, 1132683264), (24, 896707584), (27, 797073408), (32, 672530688), (36, 597805056), (38, 566341632), (48, 448353792), (54, 398536704), (57, 377561088), (64, 336265344), (72, 298902528), (76, 283170816), (81, 265691136), (96, 224176896), (108, 199268352), (114, 188780544), (128, 168132672), (144, 149451264), (152, 141585408), (162, 132845568), (171, 125853696), (192, 112088448), (216, 99634176), (228, 94390272), (243, 88563712), (256, 84066336), (288, 74725632), (304, 70792704), (324, 66422784), (342, 62926848), (384, 56044224), (432, 49817088), (456, 47195136), (486, 44281856), (512, 42033168), (513, 41951232), (569, 37822464), (576, 37362816), (608, 35396352), (648, 33211392), (684, 31463424), (768, 28022112), (864, 24908544), (912, 23597568), (972, 22140928), (1024, 21016584), (1026, 20975616), (1138, 18911232), (1152, 18681408), (1216, 17698176), (1296, 16605696), (1368, 15731712), (1536, 14011056), (1539, 13983744), (1707, 12607488), (1728, 12454272), (1824, 11798784), (1944, 11070464), (2048, 10508292), (2052, 10487808), (2276, 9455616), (2304, 9340704), (2432, 8849088), (2592, 8302848), (2736, 7865856), (3072, 7005528), (3078, 6991872), (3414, 6303744), (3456, 6227136), (3648, 5899392), (3888, 5535232), (4096, 5254146), (4104, 5243904), (4552, 4727808), (4608, 4670352), (4617, 4661248), (4864, 4424544), (5121, 4202496), (5184, 4151424), (5472, 3932928), (6144, 3502764), (6156, 3495936), (6828, 3151872), (6912, 3113568), (7296, 2949696), (7776, 2767616), (8192, 2627073), (8208, 2621952), (9104, 2363904), (9216, 2335176), (9234, 2330624), (9728, 2212272), (10242, 2101248), (10368, 2075712), (10811, 1990656), (10944, 1966464), (12288, 1751382), (12312, 1747968), (13656, 1575936), (13824, 1556784), (14592, 1474848), (15363, 1400832), (15552, 1383808), (16416, 1310976), (18208, 1181952), (18432, 1167588), (18468, 1165312), (19456, 1106136), (20484, 1050624), (20736, 1037856), (21622, 995328), (21888, 983232), (24576, 875691), (24624, 873984), (27312, 787968), (27648, 778392), (29184, 737424), (30726, 700416), (31104, 691904), (32433, 663552), (32832, 655488), (36416, 590976), (36864, 583794), (36936, 582656), (38912, 553068), (40968, 525312), (41472, 518928), (43244, 497664), (43776, 491616), (46089, 466944), (49248, 436992), (54624, 393984), (55296, 389196), (58368, 368712), (61452, 350208), (62208, 345952), (64866, 331776), (65664, 327744), (72832, 295488), (73728, 291897), (73872, 291328), (77824, 276534), (81936, 262656), (82944, 259464), (86488, 248832), (87552, 245808), (92178, 233472), (97299, 221184), (98496, 218496), (109248, 196992), (110592, 194598), (116736, 184356), (122904, 175104), (124416, 172976), (129732, 165888), (131328, 163872), (138267, 155648), (145664, 147744)]