21430080

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1063}}^1$

素因数の和:1093

約数の個数: 168

約数和(自身を含む): 84319872

約数和(自身を除く): 62889792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1063, 1120, 1260, 1344, 1440, 1680, 2016, 2126, 2240, 2520, 2880, 3189, 3360, 4032, 4252, 5040, 5315, 6378, 6720, 7441, 8504, 9567, 10080, 10630, 12756, 14882, 15945, 17008, 19134, 20160, 21260, 22323, 25512, 29764, 31890, 34016, 37205, 38268, 42520, 44646, 47835, 51024, 59528, 63780, 66969, 68032, 74410, 76536, 85040, 89292, 95670, 102048, 111615, 119056, 127560, 133938, 148820, 153072, 170080, 178584, 191340, 204096, 223230, 238112, 255120, 267876, 297640, 306144, 334845, 340160, 357168, 382680, 446460, 476224, 510240, 535752, 595280, 612288, 669690, 714336, 765360, 892920, 1020480, 1071504, 1190560, 1339380, 1428672, 1530720, 1785840, 2143008, 2381120, 2678760, 3061440, 3571680, 4286016, 5357520, 7143360, 10715040, 21430080]

約数ペア:

[(1, 21430080), (2, 10715040), (3, 7143360), (4, 5357520), (5, 4286016), (6, 3571680), (7, 3061440), (8, 2678760), (9, 2381120), (10, 2143008), (12, 1785840), (14, 1530720), (15, 1428672), (16, 1339380), (18, 1190560), (20, 1071504), (21, 1020480), (24, 892920), (28, 765360), (30, 714336), (32, 669690), (35, 612288), (36, 595280), (40, 535752), (42, 510240), (45, 476224), (48, 446460), (56, 382680), (60, 357168), (63, 340160), (64, 334845), (70, 306144), (72, 297640), (80, 267876), (84, 255120), (90, 238112), (96, 223230), (105, 204096), (112, 191340), (120, 178584), (126, 170080), (140, 153072), (144, 148820), (160, 133938), (168, 127560), (180, 119056), (192, 111615), (210, 102048), (224, 95670), (240, 89292), (252, 85040), (280, 76536), (288, 74410), (315, 68032), (320, 66969), (336, 63780), (360, 59528), (420, 51024), (448, 47835), (480, 44646), (504, 42520), (560, 38268), (576, 37205), (630, 34016), (672, 31890), (720, 29764), (840, 25512), (960, 22323), (1008, 21260), (1063, 20160), (1120, 19134), (1260, 17008), (1344, 15945), (1440, 14882), (1680, 12756), (2016, 10630), (2126, 10080), (2240, 9567), (2520, 8504), (2880, 7441), (3189, 6720), (3360, 6378), (4032, 5315), (4252, 5040)]