21945000

素因数分解:

$2^3\times 3^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 320

約数和(自身を含む): 89971200

約数和(自身を除く): 68026200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 25, 28, 30, 33, 35, 38, 40, 42, 44, 50, 55, 56, 57, 60, 66, 70, 75, 76, 77, 84, 88, 95, 100, 105, 110, 114, 120, 125, 132, 133, 140, 150, 152, 154, 165, 168, 175, 190, 200, 209, 210, 220, 228, 231, 250, 264, 266, 275, 280, 285, 300, 308, 330, 350, 375, 380, 385, 399, 418, 420, 440, 456, 462, 475, 500, 525, 532, 550, 570, 600, 616, 625, 627, 660, 665, 700, 750, 760, 770, 798, 825, 836, 840, 875, 924, 950, 1000, 1045, 1050, 1064, 1100, 1140, 1155, 1250, 1254, 1320, 1330, 1375, 1400, 1425, 1463, 1500, 1540, 1596, 1650, 1672, 1750, 1848, 1875, 1900, 1925, 1995, 2090, 2100, 2200, 2280, 2310, 2375, 2500, 2508, 2625, 2660, 2750, 2850, 2926, 3000, 3080, 3135, 3192, 3300, 3325, 3500, 3750, 3800, 3850, 3990, 4125, 4180, 4200, 4375, 4389, 4620, 4750, 5000, 5016, 5225, 5250, 5320, 5500, 5700, 5775, 5852, 6270, 6600, 6650, 6875, 7000, 7125, 7315, 7500, 7700, 7980, 8250, 8360, 8750, 8778, 9240, 9500, 9625, 9975, 10450, 10500, 11000, 11400, 11550, 11704, 11875, 12540, 13125, 13300, 13750, 14250, 14630, 15000, 15400, 15675, 15960, 16500, 16625, 17500, 17556, 19000, 19250, 19950, 20625, 20900, 21000, 21945, 23100, 23750, 25080, 26125, 26250, 26600, 27500, 28500, 28875, 29260, 31350, 33000, 33250, 35000, 35112, 35625, 36575, 38500, 39900, 41250, 41800, 43890, 46200, 47500, 48125, 49875, 52250, 52500, 55000, 57000, 57750, 58520, 62700, 66500, 71250, 73150, 77000, 78375, 79800, 82500, 83125, 87780, 95000, 96250, 99750, 104500, 105000, 109725, 115500, 125400, 130625, 133000, 142500, 144375, 146300, 156750, 165000, 166250, 175560, 182875, 192500, 199500, 209000, 219450, 231000, 249375, 261250, 285000, 288750, 292600, 313500, 332500, 365750, 385000, 391875, 399000, 438900, 498750, 522500, 548625, 577500, 627000, 665000, 731500, 783750, 877800, 914375, 997500, 1045000, 1097250, 1155000, 1463000, 1567500, 1828750, 1995000, 2194500, 2743125, 3135000, 3657500, 4389000, 5486250, 7315000, 10972500, 21945000]

約数ペア:

[(1, 21945000), (2, 10972500), (3, 7315000), (4, 5486250), (5, 4389000), (6, 3657500), (7, 3135000), (8, 2743125), (10, 2194500), (11, 1995000), (12, 1828750), (14, 1567500), (15, 1463000), (19, 1155000), (20, 1097250), (21, 1045000), (22, 997500), (24, 914375), (25, 877800), (28, 783750), (30, 731500), (33, 665000), (35, 627000), (38, 577500), (40, 548625), (42, 522500), (44, 498750), (50, 438900), (55, 399000), (56, 391875), (57, 385000), (60, 365750), (66, 332500), (70, 313500), (75, 292600), (76, 288750), (77, 285000), (84, 261250), (88, 249375), (95, 231000), (100, 219450), (105, 209000), (110, 199500), (114, 192500), (120, 182875), (125, 175560), (132, 166250), (133, 165000), (140, 156750), (150, 146300), (152, 144375), (154, 142500), (165, 133000), (168, 130625), (175, 125400), (190, 115500), (200, 109725), (209, 105000), (210, 104500), (220, 99750), (228, 96250), (231, 95000), (250, 87780), (264, 83125), (266, 82500), (275, 79800), (280, 78375), (285, 77000), (300, 73150), (308, 71250), (330, 66500), (350, 62700), (375, 58520), (380, 57750), (385, 57000), (399, 55000), (418, 52500), (420, 52250), (440, 49875), (456, 48125), (462, 47500), (475, 46200), (500, 43890), (525, 41800), (532, 41250), (550, 39900), (570, 38500), (600, 36575), (616, 35625), (625, 35112), (627, 35000), (660, 33250), (665, 33000), (700, 31350), (750, 29260), (760, 28875), (770, 28500), (798, 27500), (825, 26600), (836, 26250), (840, 26125), (875, 25080), (924, 23750), (950, 23100), (1000, 21945), (1045, 21000), (1050, 20900), (1064, 20625), (1100, 19950), (1140, 19250), (1155, 19000), (1250, 17556), (1254, 17500), (1320, 16625), (1330, 16500), (1375, 15960), (1400, 15675), (1425, 15400), (1463, 15000), (1500, 14630), (1540, 14250), (1596, 13750), (1650, 13300), (1672, 13125), (1750, 12540), (1848, 11875), (1875, 11704), (1900, 11550), (1925, 11400), (1995, 11000), (2090, 10500), (2100, 10450), (2200, 9975), (2280, 9625), (2310, 9500), (2375, 9240), (2500, 8778), (2508, 8750), (2625, 8360), (2660, 8250), (2750, 7980), (2850, 7700), (2926, 7500), (3000, 7315), (3080, 7125), (3135, 7000), (3192, 6875), (3300, 6650), (3325, 6600), (3500, 6270), (3750, 5852), (3800, 5775), (3850, 5700), (3990, 5500), (4125, 5320), (4180, 5250), (4200, 5225), (4375, 5016), (4389, 5000), (4620, 4750)]