21658560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:331

約数の個数: 224

約数和(自身を含む): 86026752

約数和(自身を除く): 64368192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 293, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 528, 560, 586, 616, 660, 672, 704, 770, 840, 879, 880, 924, 960, 1056, 1120, 1155, 1172, 1232, 1320, 1344, 1465, 1540, 1680, 1758, 1760, 1848, 2051, 2112, 2240, 2310, 2344, 2464, 2640, 2930, 3080, 3223, 3360, 3516, 3520, 3696, 4102, 4395, 4620, 4688, 4928, 5280, 5860, 6153, 6160, 6446, 6720, 7032, 7392, 8204, 8790, 9240, 9376, 9669, 10255, 10560, 11720, 12306, 12320, 12892, 14064, 14784, 16115, 16408, 17580, 18480, 18752, 19338, 20510, 22561, 23440, 24612, 24640, 25784, 28128, 30765, 32230, 32816, 35160, 36960, 38676, 41020, 45122, 46880, 48345, 49224, 51568, 56256, 61530, 64460, 65632, 67683, 70320, 73920, 77352, 82040, 90244, 93760, 96690, 98448, 103136, 112805, 123060, 128920, 131264, 135366, 140640, 154704, 164080, 180488, 193380, 196896, 206272, 225610, 246120, 257840, 270732, 281280, 309408, 328160, 338415, 360976, 386760, 393792, 451220, 492240, 515680, 541464, 618816, 656320, 676830, 721952, 773520, 902440, 984480, 1031360, 1082928, 1353660, 1443904, 1547040, 1804880, 1968960, 2165856, 2707320, 3094080, 3609760, 4331712, 5414640, 7219520, 10829280, 21658560]

約数ペア:

[(1, 21658560), (2, 10829280), (3, 7219520), (4, 5414640), (5, 4331712), (6, 3609760), (7, 3094080), (8, 2707320), (10, 2165856), (11, 1968960), (12, 1804880), (14, 1547040), (15, 1443904), (16, 1353660), (20, 1082928), (21, 1031360), (22, 984480), (24, 902440), (28, 773520), (30, 721952), (32, 676830), (33, 656320), (35, 618816), (40, 541464), (42, 515680), (44, 492240), (48, 451220), (55, 393792), (56, 386760), (60, 360976), (64, 338415), (66, 328160), (70, 309408), (77, 281280), (80, 270732), (84, 257840), (88, 246120), (96, 225610), (105, 206272), (110, 196896), (112, 193380), (120, 180488), (132, 164080), (140, 154704), (154, 140640), (160, 135366), (165, 131264), (168, 128920), (176, 123060), (192, 112805), (210, 103136), (220, 98448), (224, 96690), (231, 93760), (240, 90244), (264, 82040), (280, 77352), (293, 73920), (308, 70320), (320, 67683), (330, 65632), (336, 64460), (352, 61530), (385, 56256), (420, 51568), (440, 49224), (448, 48345), (462, 46880), (480, 45122), (528, 41020), (560, 38676), (586, 36960), (616, 35160), (660, 32816), (672, 32230), (704, 30765), (770, 28128), (840, 25784), (879, 24640), (880, 24612), (924, 23440), (960, 22561), (1056, 20510), (1120, 19338), (1155, 18752), (1172, 18480), (1232, 17580), (1320, 16408), (1344, 16115), (1465, 14784), (1540, 14064), (1680, 12892), (1758, 12320), (1760, 12306), (1848, 11720), (2051, 10560), (2112, 10255), (2240, 9669), (2310, 9376), (2344, 9240), (2464, 8790), (2640, 8204), (2930, 7392), (3080, 7032), (3223, 6720), (3360, 6446), (3516, 6160), (3520, 6153), (3696, 5860), (4102, 5280), (4395, 4928), (4620, 4688)]