21085015680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{215329}}^1$

素因数の和:215371

約数の個数: 192

約数和(自身を含む): 77092446600

約数和(自身を除く): 56007430920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 816, 960, 1020, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1920, 2040, 2176, 2448, 2720, 2880, 3060, 3264, 4080, 4896, 5440, 5760, 6120, 6528, 8160, 9792, 10880, 12240, 16320, 19584, 24480, 32640, 48960, 97920, 215329, 430658, 645987, 861316, 1076645, 1291974, 1722632, 1937961, 2153290, 2583948, 3229935, 3445264, 3660593, 3875922, 4306580, 5167896, 6459870, 6890528, 7321186, 7751844, 8613160, 9689805, 10335792, 10981779, 12919740, 13781056, 14642372, 15503688, 17226320, 18302965, 19379610, 20671584, 21963558, 25839480, 27562112, 29284744, 31007376, 32945337, 34452640, 36605930, 38759220, 41343168, 43927116, 51678960, 54908895, 58569488, 62014752, 65890674, 68905280, 73211860, 77518440, 82686336, 87854232, 103357920, 109817790, 117138976, 124029504, 131781348, 137810560, 146423720, 155036880, 164726685, 175708464, 206715840, 219635580, 234277952, 248059008, 263562696, 292847440, 310073760, 329453370, 351416928, 413431680, 439271160, 468555904, 527125392, 585694880, 620147520, 658906740, 702833856, 878542320, 1054250784, 1171389760, 1240295040, 1317813480, 1405667712, 1757084640, 2108501568, 2342779520, 2635626960, 3514169280, 4217003136, 5271253920, 7028338560, 10542507840, 21085015680]

約数ペア:

[(1, 21085015680), (2, 10542507840), (3, 7028338560), (4, 5271253920), (5, 4217003136), (6, 3514169280), (8, 2635626960), (9, 2342779520), (10, 2108501568), (12, 1757084640), (15, 1405667712), (16, 1317813480), (17, 1240295040), (18, 1171389760), (20, 1054250784), (24, 878542320), (30, 702833856), (32, 658906740), (34, 620147520), (36, 585694880), (40, 527125392), (45, 468555904), (48, 439271160), (51, 413431680), (60, 351416928), (64, 329453370), (68, 310073760), (72, 292847440), (80, 263562696), (85, 248059008), (90, 234277952), (96, 219635580), (102, 206715840), (120, 175708464), (128, 164726685), (136, 155036880), (144, 146423720), (153, 137810560), (160, 131781348), (170, 124029504), (180, 117138976), (192, 109817790), (204, 103357920), (240, 87854232), (255, 82686336), (272, 77518440), (288, 73211860), (306, 68905280), (320, 65890674), (340, 62014752), (360, 58569488), (384, 54908895), (408, 51678960), (480, 43927116), (510, 41343168), (544, 38759220), (576, 36605930), (612, 34452640), (640, 32945337), (680, 31007376), (720, 29284744), (765, 27562112), (816, 25839480), (960, 21963558), (1020, 20671584), (1088, 19379610), (1152, 18302965), (1224, 17226320), (1360, 15503688), (1440, 14642372), (1530, 13781056), (1632, 12919740), (1920, 10981779), (2040, 10335792), (2176, 9689805), (2448, 8613160), (2720, 7751844), (2880, 7321186), (3060, 6890528), (3264, 6459870), (4080, 5167896), (4896, 4306580), (5440, 3875922), (5760, 3660593), (6120, 3445264), (6528, 3229935), (8160, 2583948), (9792, 2153290), (10880, 1937961), (12240, 1722632), (16320, 1291974), (19584, 1076645), (24480, 861316), (32640, 645987), (48960, 430658), (97920, 215329)]