21269520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 160

約数和(自身を含む): 75292800

約数和(自身を除く): 54023280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 108, 120, 129, 135, 144, 172, 180, 215, 216, 229, 240, 258, 270, 344, 360, 387, 430, 432, 458, 516, 540, 645, 687, 688, 720, 774, 860, 916, 1032, 1080, 1145, 1161, 1290, 1374, 1548, 1720, 1832, 1935, 2061, 2064, 2160, 2290, 2322, 2580, 2748, 3096, 3435, 3440, 3664, 3870, 4122, 4580, 4644, 5160, 5496, 5805, 6183, 6192, 6870, 7740, 8244, 9160, 9288, 9847, 10305, 10320, 10992, 11610, 12366, 13740, 15480, 16488, 18320, 18576, 19694, 20610, 23220, 24732, 27480, 29541, 30915, 30960, 32976, 39388, 41220, 46440, 49235, 49464, 54960, 59082, 61830, 78776, 82440, 88623, 92880, 98470, 98928, 118164, 123660, 147705, 157552, 164880, 177246, 196940, 236328, 247320, 265869, 295410, 354492, 393880, 443115, 472656, 494640, 531738, 590820, 708984, 787760, 886230, 1063476, 1181640, 1329345, 1417968, 1772460, 2126952, 2363280, 2658690, 3544920, 4253904, 5317380, 7089840, 10634760, 21269520]

約数ペア:

[(1, 21269520), (2, 10634760), (3, 7089840), (4, 5317380), (5, 4253904), (6, 3544920), (8, 2658690), (9, 2363280), (10, 2126952), (12, 1772460), (15, 1417968), (16, 1329345), (18, 1181640), (20, 1063476), (24, 886230), (27, 787760), (30, 708984), (36, 590820), (40, 531738), (43, 494640), (45, 472656), (48, 443115), (54, 393880), (60, 354492), (72, 295410), (80, 265869), (86, 247320), (90, 236328), (108, 196940), (120, 177246), (129, 164880), (135, 157552), (144, 147705), (172, 123660), (180, 118164), (215, 98928), (216, 98470), (229, 92880), (240, 88623), (258, 82440), (270, 78776), (344, 61830), (360, 59082), (387, 54960), (430, 49464), (432, 49235), (458, 46440), (516, 41220), (540, 39388), (645, 32976), (687, 30960), (688, 30915), (720, 29541), (774, 27480), (860, 24732), (916, 23220), (1032, 20610), (1080, 19694), (1145, 18576), (1161, 18320), (1290, 16488), (1374, 15480), (1548, 13740), (1720, 12366), (1832, 11610), (1935, 10992), (2061, 10320), (2064, 10305), (2160, 9847), (2290, 9288), (2322, 9160), (2580, 8244), (2748, 7740), (3096, 6870), (3435, 6192), (3440, 6183), (3664, 5805), (3870, 5496), (4122, 5160), (4580, 4644)]