21000456960

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18169}}^1$

素因数の和:18243

約数の個数: 288

約数和(自身を含む): 78438581760

約数和(自身を除く): 57438124800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 192, 210, 215, 224, 240, 256, 258, 280, 301, 320, 336, 344, 384, 420, 430, 448, 480, 516, 560, 602, 640, 645, 672, 688, 768, 840, 860, 896, 903, 960, 1032, 1120, 1204, 1280, 1290, 1344, 1376, 1505, 1680, 1720, 1792, 1806, 1920, 2064, 2240, 2408, 2580, 2688, 2752, 3010, 3360, 3440, 3612, 3840, 4128, 4480, 4515, 4816, 5160, 5376, 5504, 6020, 6720, 6880, 7224, 8256, 8960, 9030, 9632, 10320, 11008, 12040, 13440, 13760, 14448, 16512, 18060, 18169, 19264, 20640, 24080, 26880, 27520, 28896, 33024, 36120, 36338, 38528, 41280, 48160, 54507, 55040, 57792, 72240, 72676, 77056, 82560, 90845, 96320, 109014, 115584, 127183, 144480, 145352, 165120, 181690, 192640, 218028, 231168, 254366, 272535, 288960, 290704, 363380, 381549, 385280, 436056, 508732, 545070, 577920, 581408, 635915, 726760, 763098, 781267, 872112, 1017464, 1090140, 1155840, 1162816, 1271830, 1453520, 1526196, 1562534, 1744224, 1907745, 2034928, 2180280, 2325632, 2343801, 2543660, 2907040, 3052392, 3125068, 3488448, 3815490, 3906335, 4069856, 4360560, 4651264, 4687602, 5087320, 5468869, 5814080, 6104784, 6250136, 6976896, 7630980, 7812670, 8139712, 8721120, 9375204, 10174640, 10937738, 11628160, 11719005, 12209568, 12500272, 13953792, 15261960, 15625340, 16279424, 16406607, 17442240, 18750408, 20349280, 21875476, 23256320, 23438010, 24419136, 25000544, 27344345, 30523920, 31250680, 32558848, 32813214, 34884480, 37500816, 40698560, 43750952, 46876020, 48838272, 50001088, 54688690, 61047840, 62501360, 65626428, 69768960, 75001632, 81397120, 82033035, 87501904, 93752040, 97676544, 100002176, 109377380, 122095680, 125002720, 131252856, 150003264, 162794240, 164066070, 175003808, 187504080, 200004352, 218754760, 244191360, 250005440, 262505712, 300006528, 328132140, 350007616, 375008160, 437509520, 488382720, 500010880, 525011424, 600013056, 656264280, 700015232, 750016320, 875019040, 1000021760, 1050022848, 1312528560, 1400030464, 1500032640, 1750038080, 2100045696, 2625057120, 3000065280, 3500076160, 4200091392, 5250114240, 7000152320, 10500228480, 21000456960]

約数ペア:

[(1, 21000456960), (2, 10500228480), (3, 7000152320), (4, 5250114240), (5, 4200091392), (6, 3500076160), (7, 3000065280), (8, 2625057120), (10, 2100045696), (12, 1750038080), (14, 1500032640), (15, 1400030464), (16, 1312528560), (20, 1050022848), (21, 1000021760), (24, 875019040), (28, 750016320), (30, 700015232), (32, 656264280), (35, 600013056), (40, 525011424), (42, 500010880), (43, 488382720), (48, 437509520), (56, 375008160), (60, 350007616), (64, 328132140), (70, 300006528), (80, 262505712), (84, 250005440), (86, 244191360), (96, 218754760), (105, 200004352), (112, 187504080), (120, 175003808), (128, 164066070), (129, 162794240), (140, 150003264), (160, 131252856), (168, 125002720), (172, 122095680), (192, 109377380), (210, 100002176), (215, 97676544), (224, 93752040), (240, 87501904), (256, 82033035), (258, 81397120), (280, 75001632), (301, 69768960), (320, 65626428), (336, 62501360), (344, 61047840), (384, 54688690), (420, 50001088), (430, 48838272), (448, 46876020), (480, 43750952), (516, 40698560), (560, 37500816), (602, 34884480), (640, 32813214), (645, 32558848), (672, 31250680), (688, 30523920), (768, 27344345), (840, 25000544), (860, 24419136), (896, 23438010), (903, 23256320), (960, 21875476), (1032, 20349280), (1120, 18750408), (1204, 17442240), (1280, 16406607), (1290, 16279424), (1344, 15625340), (1376, 15261960), (1505, 13953792), (1680, 12500272), (1720, 12209568), (1792, 11719005), (1806, 11628160), (1920, 10937738), (2064, 10174640), (2240, 9375204), (2408, 8721120), (2580, 8139712), (2688, 7812670), (2752, 7630980), (3010, 6976896), (3360, 6250136), (3440, 6104784), (3612, 5814080), (3840, 5468869), (4128, 5087320), (4480, 4687602), (4515, 4651264), (4816, 4360560), (5160, 4069856), (5376, 3906335), (5504, 3815490), (6020, 3488448), (6720, 3125068), (6880, 3052392), (7224, 2907040), (8256, 2543660), (8960, 2343801), (9030, 2325632), (9632, 2180280), (10320, 2034928), (11008, 1907745), (12040, 1744224), (13440, 1562534), (13760, 1526196), (14448, 1453520), (16512, 1271830), (18060, 1162816), (18169, 1155840), (19264, 1090140), (20640, 1017464), (24080, 872112), (26880, 781267), (27520, 763098), (28896, 726760), (33024, 635915), (36120, 581408), (36338, 577920), (38528, 545070), (41280, 508732), (48160, 436056), (54507, 385280), (55040, 381549), (57792, 363380), (72240, 290704), (72676, 288960), (77056, 272535), (82560, 254366), (90845, 231168), (96320, 218028), (109014, 192640), (115584, 181690), (127183, 165120), (144480, 145352)]