21535011680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{20261}}^1$

素因数の和:20369

約数の個数: 192

約数和(自身を含む): 63478090368

約数和(自身を除く): 41943078688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 73, 80, 91, 104, 112, 130, 140, 146, 160, 182, 208, 224, 260, 280, 292, 364, 365, 416, 455, 511, 520, 560, 584, 728, 730, 910, 949, 1022, 1040, 1120, 1168, 1456, 1460, 1820, 1898, 2044, 2080, 2336, 2555, 2912, 2920, 3640, 3796, 4088, 4745, 5110, 5840, 6643, 7280, 7592, 8176, 9490, 10220, 11680, 13286, 14560, 15184, 16352, 18980, 20261, 20440, 26572, 30368, 33215, 37960, 40522, 40880, 53144, 66430, 75920, 81044, 81760, 101305, 106288, 132860, 141827, 151840, 162088, 202610, 212576, 263393, 265720, 283654, 324176, 405220, 526786, 531440, 567308, 648352, 709135, 810440, 1053572, 1062880, 1134616, 1316965, 1418270, 1479053, 1620880, 1843751, 2107144, 2269232, 2633930, 2836540, 2958106, 3241760, 3687502, 4214288, 4538464, 5267860, 5673080, 5916212, 7375004, 7395265, 8428576, 9218755, 10353371, 10535720, 11346160, 11832424, 14750008, 14790530, 18437510, 19227689, 20706742, 21071440, 22692320, 23664848, 29500016, 29581060, 36875020, 38455378, 41413484, 42142880, 47329696, 51766855, 59000032, 59162120, 73750040, 76910756, 82826968, 96138445, 103533710, 118324240, 134593823, 147500080, 153821512, 165653936, 192276890, 207067420, 236648480, 269187646, 295000160, 307643024, 331307872, 384553780, 414134840, 538375292, 615286048, 672969115, 769107560, 828269680, 1076750584, 1345938230, 1538215120, 1656539360, 2153501168, 2691876460, 3076430240, 4307002336, 5383752920, 10767505840, 21535011680]

約数ペア:

[(1, 21535011680), (2, 10767505840), (4, 5383752920), (5, 4307002336), (7, 3076430240), (8, 2691876460), (10, 2153501168), (13, 1656539360), (14, 1538215120), (16, 1345938230), (20, 1076750584), (26, 828269680), (28, 769107560), (32, 672969115), (35, 615286048), (40, 538375292), (52, 414134840), (56, 384553780), (65, 331307872), (70, 307643024), (73, 295000160), (80, 269187646), (91, 236648480), (104, 207067420), (112, 192276890), (130, 165653936), (140, 153821512), (146, 147500080), (160, 134593823), (182, 118324240), (208, 103533710), (224, 96138445), (260, 82826968), (280, 76910756), (292, 73750040), (364, 59162120), (365, 59000032), (416, 51766855), (455, 47329696), (511, 42142880), (520, 41413484), (560, 38455378), (584, 36875020), (728, 29581060), (730, 29500016), (910, 23664848), (949, 22692320), (1022, 21071440), (1040, 20706742), (1120, 19227689), (1168, 18437510), (1456, 14790530), (1460, 14750008), (1820, 11832424), (1898, 11346160), (2044, 10535720), (2080, 10353371), (2336, 9218755), (2555, 8428576), (2912, 7395265), (2920, 7375004), (3640, 5916212), (3796, 5673080), (4088, 5267860), (4745, 4538464), (5110, 4214288), (5840, 3687502), (6643, 3241760), (7280, 2958106), (7592, 2836540), (8176, 2633930), (9490, 2269232), (10220, 2107144), (11680, 1843751), (13286, 1620880), (14560, 1479053), (15184, 1418270), (16352, 1316965), (18980, 1134616), (20261, 1062880), (20440, 1053572), (26572, 810440), (30368, 709135), (33215, 648352), (37960, 567308), (40522, 531440), (40880, 526786), (53144, 405220), (66430, 324176), (75920, 283654), (81044, 265720), (81760, 263393), (101305, 212576), (106288, 202610), (132860, 162088), (141827, 151840)]