21674880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 77332320

約数和(自身を除く): 55657440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 71, 72, 80, 90, 96, 106, 120, 128, 142, 144, 159, 160, 180, 192, 212, 213, 240, 265, 284, 288, 318, 320, 355, 360, 384, 424, 426, 477, 480, 530, 568, 576, 636, 639, 640, 710, 720, 795, 848, 852, 954, 960, 1060, 1065, 1136, 1152, 1272, 1278, 1420, 1440, 1590, 1696, 1704, 1908, 1920, 2120, 2130, 2272, 2385, 2544, 2556, 2840, 2880, 3180, 3195, 3392, 3408, 3763, 3816, 4240, 4260, 4544, 4770, 5088, 5112, 5680, 5760, 6360, 6390, 6784, 6816, 7526, 7632, 8480, 8520, 9088, 9540, 10176, 10224, 11289, 11360, 12720, 12780, 13632, 15052, 15264, 16960, 17040, 18815, 19080, 20352, 20448, 22578, 22720, 25440, 25560, 27264, 30104, 30528, 33867, 33920, 34080, 37630, 38160, 40896, 45156, 45440, 50880, 51120, 56445, 60208, 61056, 67734, 68160, 75260, 76320, 81792, 90312, 101760, 102240, 112890, 120416, 135468, 136320, 150520, 152640, 169335, 180624, 204480, 225780, 240832, 270936, 301040, 305280, 338670, 361248, 408960, 451560, 481664, 541872, 602080, 677340, 722496, 903120, 1083744, 1204160, 1354680, 1444992, 1806240, 2167488, 2408320, 2709360, 3612480, 4334976, 5418720, 7224960, 10837440, 21674880]

約数ペア:

[(1, 21674880), (2, 10837440), (3, 7224960), (4, 5418720), (5, 4334976), (6, 3612480), (8, 2709360), (9, 2408320), (10, 2167488), (12, 1806240), (15, 1444992), (16, 1354680), (18, 1204160), (20, 1083744), (24, 903120), (30, 722496), (32, 677340), (36, 602080), (40, 541872), (45, 481664), (48, 451560), (53, 408960), (60, 361248), (64, 338670), (71, 305280), (72, 301040), (80, 270936), (90, 240832), (96, 225780), (106, 204480), (120, 180624), (128, 169335), (142, 152640), (144, 150520), (159, 136320), (160, 135468), (180, 120416), (192, 112890), (212, 102240), (213, 101760), (240, 90312), (265, 81792), (284, 76320), (288, 75260), (318, 68160), (320, 67734), (355, 61056), (360, 60208), (384, 56445), (424, 51120), (426, 50880), (477, 45440), (480, 45156), (530, 40896), (568, 38160), (576, 37630), (636, 34080), (639, 33920), (640, 33867), (710, 30528), (720, 30104), (795, 27264), (848, 25560), (852, 25440), (954, 22720), (960, 22578), (1060, 20448), (1065, 20352), (1136, 19080), (1152, 18815), (1272, 17040), (1278, 16960), (1420, 15264), (1440, 15052), (1590, 13632), (1696, 12780), (1704, 12720), (1908, 11360), (1920, 11289), (2120, 10224), (2130, 10176), (2272, 9540), (2385, 9088), (2544, 8520), (2556, 8480), (2840, 7632), (2880, 7526), (3180, 6816), (3195, 6784), (3392, 6390), (3408, 6360), (3763, 5760), (3816, 5680), (4240, 5112), (4260, 5088), (4544, 4770)]