21519760640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{13883}}^1$

素因数の和:14084

約数の個数: 144

約数和(自身を含む): 59255134848

約数和(自身を除く): 37735374208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 173, 224, 256, 280, 320, 346, 448, 560, 640, 692, 865, 896, 1120, 1211, 1280, 1384, 1730, 1792, 2240, 2422, 2768, 3460, 4480, 4844, 5536, 6055, 6920, 8960, 9688, 11072, 12110, 13840, 13883, 19376, 22144, 24220, 27680, 27766, 38752, 44288, 48440, 55360, 55532, 69415, 77504, 96880, 97181, 110720, 111064, 138830, 155008, 193760, 194362, 221440, 222128, 277660, 310016, 387520, 388724, 444256, 485905, 555320, 775040, 777448, 888512, 971810, 1110640, 1550080, 1554896, 1777024, 1943620, 2221280, 2401759, 3109792, 3554048, 3887240, 4442560, 4803518, 6219584, 7774480, 8885120, 9607036, 12008795, 12439168, 15548960, 16812313, 17770240, 19214072, 24017590, 24878336, 31097920, 33624626, 38428144, 48035180, 62195840, 67249252, 76856288, 84061565, 96070360, 124391680, 134498504, 153712576, 168123130, 192140720, 268997008, 307425152, 336246260, 384281440, 537994016, 614850304, 672492520, 768562880, 1075988032, 1344985040, 1537125760, 2151976064, 2689970080, 3074251520, 4303952128, 5379940160, 10759880320, 21519760640]

約数ペア:

[(1, 21519760640), (2, 10759880320), (4, 5379940160), (5, 4303952128), (7, 3074251520), (8, 2689970080), (10, 2151976064), (14, 1537125760), (16, 1344985040), (20, 1075988032), (28, 768562880), (32, 672492520), (35, 614850304), (40, 537994016), (56, 384281440), (64, 336246260), (70, 307425152), (80, 268997008), (112, 192140720), (128, 168123130), (140, 153712576), (160, 134498504), (173, 124391680), (224, 96070360), (256, 84061565), (280, 76856288), (320, 67249252), (346, 62195840), (448, 48035180), (560, 38428144), (640, 33624626), (692, 31097920), (865, 24878336), (896, 24017590), (1120, 19214072), (1211, 17770240), (1280, 16812313), (1384, 15548960), (1730, 12439168), (1792, 12008795), (2240, 9607036), (2422, 8885120), (2768, 7774480), (3460, 6219584), (4480, 4803518), (4844, 4442560), (5536, 3887240), (6055, 3554048), (6920, 3109792), (8960, 2401759), (9688, 2221280), (11072, 1943620), (12110, 1777024), (13840, 1554896), (13883, 1550080), (19376, 1110640), (22144, 971810), (24220, 888512), (27680, 777448), (27766, 775040), (38752, 555320), (44288, 485905), (48440, 444256), (55360, 388724), (55532, 387520), (69415, 310016), (77504, 277660), (96880, 222128), (97181, 221440), (110720, 194362), (111064, 193760), (138830, 155008)]