21681157120

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{9029}}^1$

素因数の和:9128

約数の個数: 176

約数和(自身を含む): 60333114240

約数和(自身を除く): 38651957120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 128, 134, 140, 160, 224, 256, 268, 280, 320, 335, 448, 469, 512, 536, 560, 640, 670, 896, 938, 1024, 1072, 1120, 1280, 1340, 1792, 1876, 2144, 2240, 2345, 2560, 2680, 3584, 3752, 4288, 4480, 4690, 5120, 5360, 7168, 7504, 8576, 8960, 9029, 9380, 10720, 15008, 17152, 17920, 18058, 18760, 21440, 30016, 34304, 35840, 36116, 37520, 42880, 45145, 60032, 63203, 68608, 72232, 75040, 85760, 90290, 120064, 126406, 144464, 150080, 171520, 180580, 240128, 252812, 288928, 300160, 316015, 343040, 361160, 480256, 505624, 577856, 600320, 604943, 632030, 722320, 1011248, 1155712, 1200640, 1209886, 1264060, 1444640, 2022496, 2311424, 2401280, 2419772, 2528120, 2889280, 3024715, 4044992, 4234601, 4622848, 4839544, 5056240, 5778560, 6049430, 8089984, 8469202, 9245696, 9679088, 10112480, 11557120, 12098860, 16179968, 16938404, 19358176, 20224960, 21173005, 23114240, 24197720, 32359936, 33876808, 38716352, 40449920, 42346010, 46228480, 48395440, 64719872, 67753616, 77432704, 80899840, 84692020, 96790880, 135507232, 154865408, 161799680, 169384040, 193581760, 271014464, 309730816, 323599360, 338768080, 387163520, 542028928, 619461632, 677536160, 774327040, 1084057856, 1355072320, 1548654080, 2168115712, 2710144640, 3097308160, 4336231424, 5420289280, 10840578560, 21681157120]

約数ペア:

[(1, 21681157120), (2, 10840578560), (4, 5420289280), (5, 4336231424), (7, 3097308160), (8, 2710144640), (10, 2168115712), (14, 1548654080), (16, 1355072320), (20, 1084057856), (28, 774327040), (32, 677536160), (35, 619461632), (40, 542028928), (56, 387163520), (64, 338768080), (67, 323599360), (70, 309730816), (80, 271014464), (112, 193581760), (128, 169384040), (134, 161799680), (140, 154865408), (160, 135507232), (224, 96790880), (256, 84692020), (268, 80899840), (280, 77432704), (320, 67753616), (335, 64719872), (448, 48395440), (469, 46228480), (512, 42346010), (536, 40449920), (560, 38716352), (640, 33876808), (670, 32359936), (896, 24197720), (938, 23114240), (1024, 21173005), (1072, 20224960), (1120, 19358176), (1280, 16938404), (1340, 16179968), (1792, 12098860), (1876, 11557120), (2144, 10112480), (2240, 9679088), (2345, 9245696), (2560, 8469202), (2680, 8089984), (3584, 6049430), (3752, 5778560), (4288, 5056240), (4480, 4839544), (4690, 4622848), (5120, 4234601), (5360, 4044992), (7168, 3024715), (7504, 2889280), (8576, 2528120), (8960, 2419772), (9029, 2401280), (9380, 2311424), (10720, 2022496), (15008, 1444640), (17152, 1264060), (17920, 1209886), (18058, 1200640), (18760, 1155712), (21440, 1011248), (30016, 722320), (34304, 632030), (35840, 604943), (36116, 600320), (37520, 577856), (42880, 505624), (45145, 480256), (60032, 361160), (63203, 343040), (68608, 316015), (72232, 300160), (75040, 288928), (85760, 252812), (90290, 240128), (120064, 180580), (126406, 171520), (144464, 150080)]