21391150000

素因数分解:

$2^4\times 5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 480

約数和(自身を含む): 62770982400

約数和(自身を除く): 41379832400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 23, 25, 38, 40, 44, 46, 50, 55, 76, 80, 88, 89, 92, 95, 100, 110, 115, 125, 152, 176, 178, 184, 190, 200, 209, 220, 230, 250, 253, 275, 304, 356, 368, 380, 400, 418, 437, 440, 445, 460, 475, 500, 506, 550, 575, 625, 712, 760, 836, 874, 880, 890, 920, 950, 979, 1000, 1012, 1045, 1100, 1150, 1250, 1265, 1375, 1424, 1520, 1672, 1691, 1748, 1780, 1840, 1900, 1958, 2000, 2024, 2047, 2090, 2185, 2200, 2225, 2300, 2375, 2500, 2530, 2750, 2875, 3125, 3344, 3382, 3496, 3560, 3800, 3916, 4048, 4094, 4180, 4370, 4400, 4450, 4600, 4750, 4807, 4895, 5000, 5060, 5225, 5500, 5750, 6250, 6325, 6764, 6875, 6992, 7120, 7600, 7832, 8188, 8360, 8455, 8740, 8900, 9200, 9500, 9614, 9790, 10000, 10120, 10235, 10450, 10925, 11000, 11125, 11500, 11875, 12500, 12650, 13528, 13750, 14375, 15664, 16376, 16720, 16910, 17480, 17800, 18601, 19000, 19228, 19580, 20240, 20470, 20900, 21850, 22000, 22250, 22517, 23000, 23750, 24035, 24475, 25000, 25300, 26125, 27056, 27500, 28750, 31625, 32752, 33820, 34375, 34960, 35600, 37202, 38000, 38456, 38893, 39160, 40940, 41800, 42275, 43700, 44500, 45034, 46000, 47500, 48070, 48950, 50000, 50600, 51175, 52250, 54625, 55000, 55625, 57500, 59375, 63250, 67640, 68750, 71875, 74404, 76912, 77786, 78320, 81880, 83600, 84550, 87400, 89000, 90068, 93005, 95000, 96140, 97900, 101200, 102350, 104500, 109250, 110000, 111250, 112585, 115000, 118750, 120175, 122375, 126500, 130625, 135280, 137500, 143750, 148808, 155572, 158125, 163760, 169100, 174800, 178000, 180136, 186010, 190000, 192280, 194465, 195800, 204700, 209000, 211375, 218500, 222500, 225170, 230000, 237500, 240350, 244750, 253000, 255875, 261250, 273125, 275000, 278125, 287500, 297616, 311144, 316250, 338200, 360272, 372020, 384560, 388930, 391600, 409400, 418000, 422750, 427823, 437000, 445000, 450340, 465025, 475000, 480700, 489500, 506000, 511750, 522500, 546250, 550000, 556250, 562925, 575000, 600875, 611875, 622288, 632500, 653125, 676400, 744040, 777860, 790625, 818800, 845500, 855646, 874000, 890000, 900680, 930050, 950000, 961400, 972325, 979000, 1023500, 1045000, 1056875, 1092500, 1112500, 1125850, 1150000, 1201750, 1223750, 1265000, 1279375, 1306250, 1365625, 1488080, 1555720, 1581250, 1691000, 1711292, 1801360, 1860100, 1922800, 1944650, 1958000, 2047000, 2090000, 2113750, 2139115, 2185000, 2225000, 2251700, 2325125, 2403500, 2447500, 2530000, 2558750, 2612500, 2731250, 2814625, 3004375, 3059375, 3111440, 3162500, 3382000, 3422584, 3720200, 3889300, 4094000, 4227500, 4278230, 4370000, 4450000, 4503400, 4650250, 4807000, 4861625, 4895000, 5117500, 5225000, 5284375, 5462500, 5629250, 6008750, 6118750, 6325000, 6396875, 6845168, 7440400, 7778600, 8455000, 8556460, 9006800, 9300500, 9614000, 9723250, 9790000, 10235000, 10450000, 10568750, 10695575, 10925000, 11258500, 11625625, 12017500, 12237500, 12650000, 12793750, 14073125, 15021875, 15557200, 16910000, 17112920, 18601000, 19446500, 20470000, 21137500, 21391150, 21850000, 22517000, 23251250, 24035000, 24308125, 24475000, 25587500, 28146250, 30043750, 34225840, 37202000, 38893000, 42275000, 42782300, 45034000, 46502500, 48070000, 48616250, 48950000, 51175000, 53477875, 56292500, 58128125, 60087500, 70365625, 77786000, 84550000, 85564600, 93005000, 97232500, 102350000, 106955750, 112585000, 116256250, 120175000, 121540625, 140731250, 171129200, 186010000, 194465000, 213911500, 225170000, 232512500, 240350000, 243081250, 267389375, 281462500, 388930000, 427823000, 465025000, 486162500, 534778750, 562925000, 855646000, 930050000, 972325000, 1069557500, 1125850000, 1336946875, 1944650000, 2139115000, 2673893750, 4278230000, 5347787500, 10695575000, 21391150000]

約数ペア:

[(1, 21391150000), (2, 10695575000), (4, 5347787500), (5, 4278230000), (8, 2673893750), (10, 2139115000), (11, 1944650000), (16, 1336946875), (19, 1125850000), (20, 1069557500), (22, 972325000), (23, 930050000), (25, 855646000), (38, 562925000), (40, 534778750), (44, 486162500), (46, 465025000), (50, 427823000), (55, 388930000), (76, 281462500), (80, 267389375), (88, 243081250), (89, 240350000), (92, 232512500), (95, 225170000), (100, 213911500), (110, 194465000), (115, 186010000), (125, 171129200), (152, 140731250), (176, 121540625), (178, 120175000), (184, 116256250), (190, 112585000), (200, 106955750), (209, 102350000), (220, 97232500), (230, 93005000), (250, 85564600), (253, 84550000), (275, 77786000), (304, 70365625), (356, 60087500), (368, 58128125), (380, 56292500), (400, 53477875), (418, 51175000), (437, 48950000), (440, 48616250), (445, 48070000), (460, 46502500), (475, 45034000), (500, 42782300), (506, 42275000), (550, 38893000), (575, 37202000), (625, 34225840), (712, 30043750), (760, 28146250), (836, 25587500), (874, 24475000), (880, 24308125), (890, 24035000), (920, 23251250), (950, 22517000), (979, 21850000), (1000, 21391150), (1012, 21137500), (1045, 20470000), (1100, 19446500), (1150, 18601000), (1250, 17112920), (1265, 16910000), (1375, 15557200), (1424, 15021875), (1520, 14073125), (1672, 12793750), (1691, 12650000), (1748, 12237500), (1780, 12017500), (1840, 11625625), (1900, 11258500), (1958, 10925000), (2000, 10695575), (2024, 10568750), (2047, 10450000), (2090, 10235000), (2185, 9790000), (2200, 9723250), (2225, 9614000), (2300, 9300500), (2375, 9006800), (2500, 8556460), (2530, 8455000), (2750, 7778600), (2875, 7440400), (3125, 6845168), (3344, 6396875), (3382, 6325000), (3496, 6118750), (3560, 6008750), (3800, 5629250), (3916, 5462500), (4048, 5284375), (4094, 5225000), (4180, 5117500), (4370, 4895000), (4400, 4861625), (4450, 4807000), (4600, 4650250), (4750, 4503400), (4807, 4450000), (4895, 4370000), (5000, 4278230), (5060, 4227500), (5225, 4094000), (5500, 3889300), (5750, 3720200), (6250, 3422584), (6325, 3382000), (6764, 3162500), (6875, 3111440), (6992, 3059375), (7120, 3004375), (7600, 2814625), (7832, 2731250), (8188, 2612500), (8360, 2558750), (8455, 2530000), (8740, 2447500), (8900, 2403500), (9200, 2325125), (9500, 2251700), (9614, 2225000), (9790, 2185000), (10000, 2139115), (10120, 2113750), (10235, 2090000), (10450, 2047000), (10925, 1958000), (11000, 1944650), (11125, 1922800), (11500, 1860100), (11875, 1801360), (12500, 1711292), (12650, 1691000), (13528, 1581250), (13750, 1555720), (14375, 1488080), (15664, 1365625), (16376, 1306250), (16720, 1279375), (16910, 1265000), (17480, 1223750), (17800, 1201750), (18601, 1150000), (19000, 1125850), (19228, 1112500), (19580, 1092500), (20240, 1056875), (20470, 1045000), (20900, 1023500), (21850, 979000), (22000, 972325), (22250, 961400), (22517, 950000), (23000, 930050), (23750, 900680), (24035, 890000), (24475, 874000), (25000, 855646), (25300, 845500), (26125, 818800), (27056, 790625), (27500, 777860), (28750, 744040), (31625, 676400), (32752, 653125), (33820, 632500), (34375, 622288), (34960, 611875), (35600, 600875), (37202, 575000), (38000, 562925), (38456, 556250), (38893, 550000), (39160, 546250), (40940, 522500), (41800, 511750), (42275, 506000), (43700, 489500), (44500, 480700), (45034, 475000), (46000, 465025), (47500, 450340), (48070, 445000), (48950, 437000), (50000, 427823), (50600, 422750), (51175, 418000), (52250, 409400), (54625, 391600), (55000, 388930), (55625, 384560), (57500, 372020), (59375, 360272), (63250, 338200), (67640, 316250), (68750, 311144), (71875, 297616), (74404, 287500), (76912, 278125), (77786, 275000), (78320, 273125), (81880, 261250), (83600, 255875), (84550, 253000), (87400, 244750), (89000, 240350), (90068, 237500), (93005, 230000), (95000, 225170), (96140, 222500), (97900, 218500), (101200, 211375), (102350, 209000), (104500, 204700), (109250, 195800), (110000, 194465), (111250, 192280), (112585, 190000), (115000, 186010), (118750, 180136), (120175, 178000), (122375, 174800), (126500, 169100), (130625, 163760), (135280, 158125), (137500, 155572), (143750, 148808)]