21267360

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{547}}^1$

素因数の和:577

約数の個数: 144

約数和(自身を含む): 75400416

約数和(自身を除く): 54133056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 547, 648, 720, 810, 864, 972, 1080, 1094, 1215, 1296, 1440, 1620, 1641, 1944, 2160, 2188, 2430, 2592, 2735, 3240, 3282, 3888, 4320, 4376, 4860, 4923, 5470, 6480, 6564, 7776, 8205, 8752, 9720, 9846, 10940, 12960, 13128, 14769, 16410, 17504, 19440, 19692, 21880, 24615, 26256, 29538, 32820, 38880, 39384, 43760, 44307, 49230, 52512, 59076, 65640, 73845, 78768, 87520, 88614, 98460, 118152, 131280, 132921, 147690, 157536, 177228, 196920, 221535, 236304, 262560, 265842, 295380, 354456, 393840, 443070, 472608, 531684, 590760, 664605, 708912, 787680, 886140, 1063368, 1181520, 1329210, 1417824, 1772280, 2126736, 2363040, 2658420, 3544560, 4253472, 5316840, 7089120, 10633680, 21267360]

約数ペア:

[(1, 21267360), (2, 10633680), (3, 7089120), (4, 5316840), (5, 4253472), (6, 3544560), (8, 2658420), (9, 2363040), (10, 2126736), (12, 1772280), (15, 1417824), (16, 1329210), (18, 1181520), (20, 1063368), (24, 886140), (27, 787680), (30, 708912), (32, 664605), (36, 590760), (40, 531684), (45, 472608), (48, 443070), (54, 393840), (60, 354456), (72, 295380), (80, 265842), (81, 262560), (90, 236304), (96, 221535), (108, 196920), (120, 177228), (135, 157536), (144, 147690), (160, 132921), (162, 131280), (180, 118152), (216, 98460), (240, 88614), (243, 87520), (270, 78768), (288, 73845), (324, 65640), (360, 59076), (405, 52512), (432, 49230), (480, 44307), (486, 43760), (540, 39384), (547, 38880), (648, 32820), (720, 29538), (810, 26256), (864, 24615), (972, 21880), (1080, 19692), (1094, 19440), (1215, 17504), (1296, 16410), (1440, 14769), (1620, 13128), (1641, 12960), (1944, 10940), (2160, 9846), (2188, 9720), (2430, 8752), (2592, 8205), (2735, 7776), (3240, 6564), (3282, 6480), (3888, 5470), (4320, 4923), (4376, 4860)]