21058800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 81185280

約数和(自身を除く): 60126480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 25, 28, 30, 35, 40, 42, 46, 48, 50, 56, 60, 69, 70, 75, 80, 84, 92, 100, 105, 109, 112, 115, 120, 138, 140, 150, 161, 168, 175, 184, 200, 210, 218, 230, 240, 276, 280, 300, 322, 327, 336, 345, 350, 368, 400, 420, 436, 460, 483, 525, 545, 552, 560, 575, 600, 644, 654, 690, 700, 763, 805, 840, 872, 920, 966, 1050, 1090, 1104, 1150, 1200, 1288, 1308, 1380, 1400, 1526, 1610, 1635, 1680, 1725, 1744, 1840, 1932, 2100, 2180, 2289, 2300, 2415, 2507, 2576, 2616, 2725, 2760, 2800, 3052, 3220, 3270, 3450, 3815, 3864, 4025, 4200, 4360, 4578, 4600, 4830, 5014, 5232, 5450, 5520, 6104, 6440, 6540, 6900, 7521, 7630, 7728, 8050, 8175, 8400, 8720, 9156, 9200, 9660, 10028, 10900, 11445, 12075, 12208, 12535, 12880, 13080, 13800, 15042, 15260, 16100, 16350, 17549, 18312, 19075, 19320, 20056, 21800, 22890, 24150, 25070, 26160, 27600, 30084, 30520, 32200, 32700, 35098, 36624, 37605, 38150, 38640, 40112, 43600, 45780, 48300, 50140, 52647, 57225, 60168, 61040, 62675, 64400, 65400, 70196, 75210, 76300, 87745, 91560, 96600, 100280, 105294, 114450, 120336, 125350, 130800, 140392, 150420, 152600, 175490, 183120, 188025, 193200, 200560, 210588, 228900, 250700, 263235, 280784, 300840, 305200, 350980, 376050, 421176, 438725, 457800, 501400, 526470, 601680, 701960, 752100, 842352, 877450, 915600, 1002800, 1052940, 1316175, 1403920, 1504200, 1754900, 2105880, 2632350, 3008400, 3509800, 4211760, 5264700, 7019600, 10529400, 21058800]

約数ペア:

[(1, 21058800), (2, 10529400), (3, 7019600), (4, 5264700), (5, 4211760), (6, 3509800), (7, 3008400), (8, 2632350), (10, 2105880), (12, 1754900), (14, 1504200), (15, 1403920), (16, 1316175), (20, 1052940), (21, 1002800), (23, 915600), (24, 877450), (25, 842352), (28, 752100), (30, 701960), (35, 601680), (40, 526470), (42, 501400), (46, 457800), (48, 438725), (50, 421176), (56, 376050), (60, 350980), (69, 305200), (70, 300840), (75, 280784), (80, 263235), (84, 250700), (92, 228900), (100, 210588), (105, 200560), (109, 193200), (112, 188025), (115, 183120), (120, 175490), (138, 152600), (140, 150420), (150, 140392), (161, 130800), (168, 125350), (175, 120336), (184, 114450), (200, 105294), (210, 100280), (218, 96600), (230, 91560), (240, 87745), (276, 76300), (280, 75210), (300, 70196), (322, 65400), (327, 64400), (336, 62675), (345, 61040), (350, 60168), (368, 57225), (400, 52647), (420, 50140), (436, 48300), (460, 45780), (483, 43600), (525, 40112), (545, 38640), (552, 38150), (560, 37605), (575, 36624), (600, 35098), (644, 32700), (654, 32200), (690, 30520), (700, 30084), (763, 27600), (805, 26160), (840, 25070), (872, 24150), (920, 22890), (966, 21800), (1050, 20056), (1090, 19320), (1104, 19075), (1150, 18312), (1200, 17549), (1288, 16350), (1308, 16100), (1380, 15260), (1400, 15042), (1526, 13800), (1610, 13080), (1635, 12880), (1680, 12535), (1725, 12208), (1744, 12075), (1840, 11445), (1932, 10900), (2100, 10028), (2180, 9660), (2289, 9200), (2300, 9156), (2415, 8720), (2507, 8400), (2576, 8175), (2616, 8050), (2725, 7728), (2760, 7630), (2800, 7521), (3052, 6900), (3220, 6540), (3270, 6440), (3450, 6104), (3815, 5520), (3864, 5450), (4025, 5232), (4200, 5014), (4360, 4830), (4578, 4600)]