21058560

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{457}}^1$

素因数の和:488

約数の個数: 132

約数和(自身を含む): 73127028

約数和(自身を除く): 52068468

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 457, 480, 512, 576, 640, 720, 768, 914, 960, 1024, 1152, 1280, 1371, 1440, 1536, 1828, 1920, 2285, 2304, 2560, 2742, 2880, 3072, 3656, 3840, 4113, 4570, 4608, 5120, 5484, 5760, 6855, 7312, 7680, 8226, 9140, 9216, 10968, 11520, 13710, 14624, 15360, 16452, 18280, 20565, 21936, 23040, 27420, 29248, 32904, 36560, 41130, 43872, 46080, 54840, 58496, 65808, 73120, 82260, 87744, 109680, 116992, 131616, 146240, 164520, 175488, 219360, 233984, 263232, 292480, 329040, 350976, 438720, 467968, 526464, 584960, 658080, 701952, 877440, 1052928, 1169920, 1316160, 1403904, 1754880, 2105856, 2339840, 2632320, 3509760, 4211712, 5264640, 7019520, 10529280, 21058560]

約数ペア:

[(1, 21058560), (2, 10529280), (3, 7019520), (4, 5264640), (5, 4211712), (6, 3509760), (8, 2632320), (9, 2339840), (10, 2105856), (12, 1754880), (15, 1403904), (16, 1316160), (18, 1169920), (20, 1052928), (24, 877440), (30, 701952), (32, 658080), (36, 584960), (40, 526464), (45, 467968), (48, 438720), (60, 350976), (64, 329040), (72, 292480), (80, 263232), (90, 233984), (96, 219360), (120, 175488), (128, 164520), (144, 146240), (160, 131616), (180, 116992), (192, 109680), (240, 87744), (256, 82260), (288, 73120), (320, 65808), (360, 58496), (384, 54840), (457, 46080), (480, 43872), (512, 41130), (576, 36560), (640, 32904), (720, 29248), (768, 27420), (914, 23040), (960, 21936), (1024, 20565), (1152, 18280), (1280, 16452), (1371, 15360), (1440, 14624), (1536, 13710), (1828, 11520), (1920, 10968), (2285, 9216), (2304, 9140), (2560, 8226), (2742, 7680), (2880, 7312), (3072, 6855), (3656, 5760), (3840, 5484), (4113, 5120), (4570, 4608)]