21107247840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{99713}}^1$

素因数の和:99751

約数の個数: 288

約数和(自身を含む): 85937513760

約数和(自身を除く): 64830265920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3360, 3528, 3780, 3920, 4320, 4410, 4704, 5040, 5292, 5880, 6048, 6615, 7056, 7560, 7840, 8820, 10080, 10584, 11760, 13230, 14112, 15120, 17640, 21168, 23520, 26460, 30240, 35280, 42336, 52920, 70560, 99713, 105840, 199426, 211680, 299139, 398852, 498565, 598278, 697991, 797704, 897417, 997130, 1196556, 1395982, 1495695, 1595408, 1794834, 1994260, 2093973, 2393112, 2692251, 2791964, 2991390, 3190816, 3489955, 3589668, 3988520, 4187946, 4487085, 4786224, 4885937, 5384502, 5583928, 5982780, 6281919, 6979910, 7179336, 7977040, 8375892, 8974170, 9572448, 9771874, 10469865, 10769004, 11167856, 11965560, 12563838, 13461255, 13959820, 14358672, 14657811, 15954080, 16751784, 17948340, 18845757, 19543748, 20939730, 21538008, 22335712, 23931120, 24429685, 25127676, 26922510, 27919640, 28717344, 29315622, 31409595, 33503568, 35896680, 37691514, 39087496, 41879460, 43076016, 43973433, 47862240, 48859370, 50255352, 53845020, 55839280, 58631244, 62819190, 67007136, 71793360, 73289055, 75383028, 78174992, 83758920, 86152032, 87946866, 94228785, 97718740, 100510704, 107690040, 111678560, 117262488, 125638380, 131920299, 143586720, 146578110, 150766056, 156349984, 167517840, 175893732, 188457570, 195437480, 201021408, 215380080, 219867165, 234524976, 251276760, 263840598, 293156220, 301532112, 335035680, 351787464, 376915140, 390874960, 430760160, 439734330, 469049952, 502553520, 527681196, 586312440, 603064224, 659601495, 703574928, 753830280, 781749920, 879468660, 1005107040, 1055362392, 1172624880, 1319202990, 1407149856, 1507660560, 1758937320, 2110724784, 2345249760, 2638405980, 3015321120, 3517874640, 4221449568, 5276811960, 7035749280, 10553623920, 21107247840]

約数ペア:

[(1, 21107247840), (2, 10553623920), (3, 7035749280), (4, 5276811960), (5, 4221449568), (6, 3517874640), (7, 3015321120), (8, 2638405980), (9, 2345249760), (10, 2110724784), (12, 1758937320), (14, 1507660560), (15, 1407149856), (16, 1319202990), (18, 1172624880), (20, 1055362392), (21, 1005107040), (24, 879468660), (27, 781749920), (28, 753830280), (30, 703574928), (32, 659601495), (35, 603064224), (36, 586312440), (40, 527681196), (42, 502553520), (45, 469049952), (48, 439734330), (49, 430760160), (54, 390874960), (56, 376915140), (60, 351787464), (63, 335035680), (70, 301532112), (72, 293156220), (80, 263840598), (84, 251276760), (90, 234524976), (96, 219867165), (98, 215380080), (105, 201021408), (108, 195437480), (112, 188457570), (120, 175893732), (126, 167517840), (135, 156349984), (140, 150766056), (144, 146578110), (147, 143586720), (160, 131920299), (168, 125638380), (180, 117262488), (189, 111678560), (196, 107690040), (210, 100510704), (216, 97718740), (224, 94228785), (240, 87946866), (245, 86152032), (252, 83758920), (270, 78174992), (280, 75383028), (288, 73289055), (294, 71793360), (315, 67007136), (336, 62819190), (360, 58631244), (378, 55839280), (392, 53845020), (420, 50255352), (432, 48859370), (441, 47862240), (480, 43973433), (490, 43076016), (504, 41879460), (540, 39087496), (560, 37691514), (588, 35896680), (630, 33503568), (672, 31409595), (720, 29315622), (735, 28717344), (756, 27919640), (784, 26922510), (840, 25127676), (864, 24429685), (882, 23931120), (945, 22335712), (980, 21538008), (1008, 20939730), (1080, 19543748), (1120, 18845757), (1176, 17948340), (1260, 16751784), (1323, 15954080), (1440, 14657811), (1470, 14358672), (1512, 13959820), (1568, 13461255), (1680, 12563838), (1764, 11965560), (1890, 11167856), (1960, 10769004), (2016, 10469865), (2160, 9771874), (2205, 9572448), (2352, 8974170), (2520, 8375892), (2646, 7977040), (2940, 7179336), (3024, 6979910), (3360, 6281919), (3528, 5982780), (3780, 5583928), (3920, 5384502), (4320, 4885937), (4410, 4786224), (4704, 4487085), (5040, 4187946), (5292, 3988520), (5880, 3589668), (6048, 3489955), (6615, 3190816), (7056, 2991390), (7560, 2791964), (7840, 2692251), (8820, 2393112), (10080, 2093973), (10584, 1994260), (11760, 1794834), (13230, 1595408), (14112, 1495695), (15120, 1395982), (17640, 1196556), (21168, 997130), (23520, 897417), (26460, 797704), (30240, 697991), (35280, 598278), (42336, 498565), (52920, 398852), (70560, 299139), (99713, 211680), (105840, 199426)]