21146957440

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{35491}}^1$

素因数の和:35543

約数の個数: 192

約数和(自身を含む): 61905146400

約数和(自身を除く): 40758188960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 320, 380, 392, 448, 490, 532, 560, 608, 640, 665, 760, 784, 896, 931, 980, 1064, 1120, 1216, 1330, 1520, 1568, 1862, 1960, 2128, 2240, 2432, 2660, 3040, 3136, 3724, 3920, 4256, 4480, 4655, 5320, 6080, 6272, 7448, 7840, 8512, 9310, 10640, 12160, 14896, 15680, 17024, 18620, 21280, 29792, 31360, 35491, 37240, 42560, 59584, 70982, 74480, 85120, 119168, 141964, 148960, 177455, 248437, 283928, 297920, 354910, 496874, 567856, 595840, 674329, 709820, 993748, 1135712, 1242185, 1348658, 1419640, 1739059, 1987496, 2271424, 2484370, 2697316, 2839280, 3371645, 3478118, 3974992, 4542848, 4720303, 4968740, 5394632, 5678560, 6743290, 6956236, 7949984, 8695295, 9440606, 9937480, 10789264, 11357120, 13486580, 13912472, 15899968, 17390590, 18881212, 19874960, 21578528, 22714240, 23601515, 26973160, 27824944, 31799936, 33042121, 34781180, 37762424, 39749920, 43157056, 47203030, 53946320, 55649888, 66084242, 69562360, 75524848, 79499840, 86314112, 94406060, 107892640, 111299776, 132168484, 139124720, 151049696, 158999680, 165210605, 188812120, 215785280, 222599552, 264336968, 278249440, 302099392, 330421210, 377624240, 431570560, 528673936, 556498880, 604198784, 660842420, 755248480, 1057347872, 1112997760, 1321684840, 1510496960, 2114695744, 2643369680, 3020993920, 4229391488, 5286739360, 10573478720, 21146957440]

約数ペア:

[(1, 21146957440), (2, 10573478720), (4, 5286739360), (5, 4229391488), (7, 3020993920), (8, 2643369680), (10, 2114695744), (14, 1510496960), (16, 1321684840), (19, 1112997760), (20, 1057347872), (28, 755248480), (32, 660842420), (35, 604198784), (38, 556498880), (40, 528673936), (49, 431570560), (56, 377624240), (64, 330421210), (70, 302099392), (76, 278249440), (80, 264336968), (95, 222599552), (98, 215785280), (112, 188812120), (128, 165210605), (133, 158999680), (140, 151049696), (152, 139124720), (160, 132168484), (190, 111299776), (196, 107892640), (224, 94406060), (245, 86314112), (266, 79499840), (280, 75524848), (304, 69562360), (320, 66084242), (380, 55649888), (392, 53946320), (448, 47203030), (490, 43157056), (532, 39749920), (560, 37762424), (608, 34781180), (640, 33042121), (665, 31799936), (760, 27824944), (784, 26973160), (896, 23601515), (931, 22714240), (980, 21578528), (1064, 19874960), (1120, 18881212), (1216, 17390590), (1330, 15899968), (1520, 13912472), (1568, 13486580), (1862, 11357120), (1960, 10789264), (2128, 9937480), (2240, 9440606), (2432, 8695295), (2660, 7949984), (3040, 6956236), (3136, 6743290), (3724, 5678560), (3920, 5394632), (4256, 4968740), (4480, 4720303), (4655, 4542848), (5320, 3974992), (6080, 3478118), (6272, 3371645), (7448, 2839280), (7840, 2697316), (8512, 2484370), (9310, 2271424), (10640, 1987496), (12160, 1739059), (14896, 1419640), (15680, 1348658), (17024, 1242185), (18620, 1135712), (21280, 993748), (29792, 709820), (31360, 674329), (35491, 595840), (37240, 567856), (42560, 496874), (59584, 354910), (70982, 297920), (74480, 283928), (85120, 248437), (119168, 177455), (141964, 148960)]