21287969640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{134089}}^1$

素因数の和:134126

約数の個数: 240

約数和(自身を含む): 83233685700

約数和(自身を除く): 61945716060

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2940, 3240, 3528, 3780, 3969, 4410, 4536, 5292, 5670, 5880, 6615, 7560, 7938, 8820, 10584, 11340, 13230, 15876, 17640, 19845, 22680, 26460, 31752, 39690, 52920, 79380, 134089, 158760, 268178, 402267, 536356, 670445, 804534, 938623, 1072712, 1206801, 1340890, 1609068, 1877246, 2011335, 2413602, 2681780, 2815869, 3218136, 3620403, 3754492, 4022670, 4693115, 4827204, 5363560, 5631738, 6034005, 6570361, 7240806, 7508984, 8045340, 8447607, 9386230, 9654408, 10861209, 11263476, 12068010, 13140722, 14079345, 14481612, 16090680, 16895214, 18102015, 18772460, 19711083, 21722418, 22526952, 24136020, 25342821, 26281444, 28158690, 28963224, 32851805, 33790428, 36204030, 37544920, 39422166, 42238035, 43444836, 48272040, 50685642, 52562888, 54306045, 56317380, 59133249, 65703610, 67580856, 72408060, 76028463, 78844332, 84476070, 86889672, 98555415, 101371284, 108612090, 112634760, 118266498, 126714105, 131407220, 144816120, 152056926, 157688664, 168952140, 177399747, 197110830, 202742568, 217224180, 236532996, 253428210, 262814440, 295666245, 304113852, 337904280, 354799494, 380142315, 394221660, 434448360, 473065992, 506856420, 532199241, 591332490, 608227704, 709598988, 760284630, 788443320, 886998735, 1013712840, 1064398482, 1182664980, 1419197976, 1520569260, 1773997470, 2128796964, 2365329960, 2660996205, 3041138520, 3547994940, 4257593928, 5321992410, 7095989880, 10643984820, 21287969640]

約数ペア:

[(1, 21287969640), (2, 10643984820), (3, 7095989880), (4, 5321992410), (5, 4257593928), (6, 3547994940), (7, 3041138520), (8, 2660996205), (9, 2365329960), (10, 2128796964), (12, 1773997470), (14, 1520569260), (15, 1419197976), (18, 1182664980), (20, 1064398482), (21, 1013712840), (24, 886998735), (27, 788443320), (28, 760284630), (30, 709598988), (35, 608227704), (36, 591332490), (40, 532199241), (42, 506856420), (45, 473065992), (49, 434448360), (54, 394221660), (56, 380142315), (60, 354799494), (63, 337904280), (70, 304113852), (72, 295666245), (81, 262814440), (84, 253428210), (90, 236532996), (98, 217224180), (105, 202742568), (108, 197110830), (120, 177399747), (126, 168952140), (135, 157688664), (140, 152056926), (147, 144816120), (162, 131407220), (168, 126714105), (180, 118266498), (189, 112634760), (196, 108612090), (210, 101371284), (216, 98555415), (245, 86889672), (252, 84476070), (270, 78844332), (280, 76028463), (294, 72408060), (315, 67580856), (324, 65703610), (360, 59133249), (378, 56317380), (392, 54306045), (405, 52562888), (420, 50685642), (441, 48272040), (490, 43444836), (504, 42238035), (540, 39422166), (567, 37544920), (588, 36204030), (630, 33790428), (648, 32851805), (735, 28963224), (756, 28158690), (810, 26281444), (840, 25342821), (882, 24136020), (945, 22526952), (980, 21722418), (1080, 19711083), (1134, 18772460), (1176, 18102015), (1260, 16895214), (1323, 16090680), (1470, 14481612), (1512, 14079345), (1620, 13140722), (1764, 12068010), (1890, 11263476), (1960, 10861209), (2205, 9654408), (2268, 9386230), (2520, 8447607), (2646, 8045340), (2835, 7508984), (2940, 7240806), (3240, 6570361), (3528, 6034005), (3780, 5631738), (3969, 5363560), (4410, 4827204), (4536, 4693115), (5292, 4022670), (5670, 3754492), (5880, 3620403), (6615, 3218136), (7560, 2815869), (7938, 2681780), (8820, 2413602), (10584, 2011335), (11340, 1877246), (13230, 1609068), (15876, 1340890), (17640, 1206801), (19845, 1072712), (22680, 938623), (26460, 804534), (31752, 670445), (39690, 536356), (52920, 402267), (79380, 268178), (134089, 158760)]