21409783920

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{471997}}^1$

素因数の和:472029

約数の個数: 200

約数和(自身を含む): 84982295904

約数和(自身を除く): 63572511984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 1008, 1080, 1134, 1260, 1296, 1512, 1620, 1680, 1890, 2160, 2268, 2520, 2835, 3024, 3240, 3780, 4536, 5040, 5670, 6480, 7560, 9072, 11340, 15120, 22680, 45360, 471997, 943994, 1415991, 1887988, 2359985, 2831982, 3303979, 3775976, 4247973, 4719970, 5663964, 6607958, 7079955, 7551952, 8495946, 9439940, 9911937, 11327928, 12743919, 13215916, 14159910, 16519895, 16991892, 18879880, 19823874, 21239865, 22655856, 25487838, 26431832, 28319820, 29735811, 33039790, 33983784, 37759760, 38231757, 39647748, 42479730, 49559685, 50975676, 52863664, 56639640, 59471622, 63719595, 66079580, 67967568, 76463514, 79295496, 84959460, 89207433, 99119370, 101951352, 113279280, 118943244, 127439190, 132159160, 148679055, 152927028, 158590992, 169918920, 178414866, 191158785, 198238740, 203902704, 237886488, 254878380, 264318320, 267622299, 297358110, 305854056, 339837840, 356829732, 382317570, 396477480, 446037165, 475772976, 509756760, 535244598, 594716220, 611708112, 713659464, 764635140, 792954960, 892074330, 1019513520, 1070489196, 1189432440, 1338111495, 1427318928, 1529270280, 1784148660, 2140978392, 2378864880, 2676222990, 3058540560, 3568297320, 4281956784, 5352445980, 7136594640, 10704891960, 21409783920]

約数ペア:

[(1, 21409783920), (2, 10704891960), (3, 7136594640), (4, 5352445980), (5, 4281956784), (6, 3568297320), (7, 3058540560), (8, 2676222990), (9, 2378864880), (10, 2140978392), (12, 1784148660), (14, 1529270280), (15, 1427318928), (16, 1338111495), (18, 1189432440), (20, 1070489196), (21, 1019513520), (24, 892074330), (27, 792954960), (28, 764635140), (30, 713659464), (35, 611708112), (36, 594716220), (40, 535244598), (42, 509756760), (45, 475772976), (48, 446037165), (54, 396477480), (56, 382317570), (60, 356829732), (63, 339837840), (70, 305854056), (72, 297358110), (80, 267622299), (81, 264318320), (84, 254878380), (90, 237886488), (105, 203902704), (108, 198238740), (112, 191158785), (120, 178414866), (126, 169918920), (135, 158590992), (140, 152927028), (144, 148679055), (162, 132159160), (168, 127439190), (180, 118943244), (189, 113279280), (210, 101951352), (216, 99119370), (240, 89207433), (252, 84959460), (270, 79295496), (280, 76463514), (315, 67967568), (324, 66079580), (336, 63719595), (360, 59471622), (378, 56639640), (405, 52863664), (420, 50975676), (432, 49559685), (504, 42479730), (540, 39647748), (560, 38231757), (567, 37759760), (630, 33983784), (648, 33039790), (720, 29735811), (756, 28319820), (810, 26431832), (840, 25487838), (945, 22655856), (1008, 21239865), (1080, 19823874), (1134, 18879880), (1260, 16991892), (1296, 16519895), (1512, 14159910), (1620, 13215916), (1680, 12743919), (1890, 11327928), (2160, 9911937), (2268, 9439940), (2520, 8495946), (2835, 7551952), (3024, 7079955), (3240, 6607958), (3780, 5663964), (4536, 4719970), (5040, 4247973), (5670, 3775976), (6480, 3303979), (7560, 2831982), (9072, 2359985), (11340, 1887988), (15120, 1415991), (22680, 943994), (45360, 471997)]