21427560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:808

約数の個数: 192

約数和(自身を含む): 86935680

約数和(自身を除く): 65508120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 773, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1540, 1546, 1848, 1980, 2310, 2319, 2520, 2772, 3080, 3092, 3465, 3865, 3960, 4620, 4638, 5411, 5544, 6184, 6930, 6957, 7730, 8503, 9240, 9276, 10822, 11595, 13860, 13914, 15460, 16233, 17006, 18552, 21644, 23190, 25509, 27055, 27720, 27828, 30920, 32466, 34012, 34785, 42515, 43288, 46380, 48699, 51018, 54110, 55656, 59521, 64932, 68024, 69570, 76527, 81165, 85030, 92760, 97398, 102036, 108220, 119042, 127545, 129864, 139140, 153054, 162330, 170060, 178563, 194796, 204072, 216440, 238084, 243495, 255090, 278280, 297605, 306108, 324660, 340120, 357126, 382635, 389592, 476168, 486990, 510180, 535689, 595210, 612216, 649320, 714252, 765270, 892815, 973980, 1020360, 1071378, 1190420, 1428504, 1530540, 1785630, 1947960, 2142756, 2380840, 2678445, 3061080, 3571260, 4285512, 5356890, 7142520, 10713780, 21427560]

約数ペア:

[(1, 21427560), (2, 10713780), (3, 7142520), (4, 5356890), (5, 4285512), (6, 3571260), (7, 3061080), (8, 2678445), (9, 2380840), (10, 2142756), (11, 1947960), (12, 1785630), (14, 1530540), (15, 1428504), (18, 1190420), (20, 1071378), (21, 1020360), (22, 973980), (24, 892815), (28, 765270), (30, 714252), (33, 649320), (35, 612216), (36, 595210), (40, 535689), (42, 510180), (44, 486990), (45, 476168), (55, 389592), (56, 382635), (60, 357126), (63, 340120), (66, 324660), (70, 306108), (72, 297605), (77, 278280), (84, 255090), (88, 243495), (90, 238084), (99, 216440), (105, 204072), (110, 194796), (120, 178563), (126, 170060), (132, 162330), (140, 153054), (154, 139140), (165, 129864), (168, 127545), (180, 119042), (198, 108220), (210, 102036), (220, 97398), (231, 92760), (252, 85030), (264, 81165), (280, 76527), (308, 69570), (315, 68024), (330, 64932), (360, 59521), (385, 55656), (396, 54110), (420, 51018), (440, 48699), (462, 46380), (495, 43288), (504, 42515), (616, 34785), (630, 34012), (660, 32466), (693, 30920), (770, 27828), (773, 27720), (792, 27055), (840, 25509), (924, 23190), (990, 21644), (1155, 18552), (1260, 17006), (1320, 16233), (1386, 15460), (1540, 13914), (1546, 13860), (1848, 11595), (1980, 10822), (2310, 9276), (2319, 9240), (2520, 8503), (2772, 7730), (3080, 6957), (3092, 6930), (3465, 6184), (3865, 5544), (3960, 5411), (4620, 4638)]