21576960

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1873}}^1$

素因数の和:1900

約数の個数: 108

約数和(自身を含む): 74693892

約数和(自身を除く): 53116932

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, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1873, 1920, 2304, 2880, 3746, 3840, 5619, 5760, 7492, 9365, 11238, 11520, 14984, 16857, 18730, 22476, 28095, 29968, 33714, 37460, 44952, 56190, 59936, 67428, 74920, 84285, 89904, 112380, 119872, 134856, 149840, 168570, 179808, 224760, 239744, 269712, 299680, 337140, 359616, 449520, 479488, 539424, 599360, 674280, 719232, 899040, 1078848, 1198720, 1348560, 1438464, 1798080, 2157696, 2397440, 2697120, 3596160, 4315392, 5394240, 7192320, 10788480, 21576960]

約数ペア:

[(1, 21576960), (2, 10788480), (3, 7192320), (4, 5394240), (5, 4315392), (6, 3596160), (8, 2697120), (9, 2397440), (10, 2157696), (12, 1798080), (15, 1438464), (16, 1348560), (18, 1198720), (20, 1078848), (24, 899040), (30, 719232), (32, 674280), (36, 599360), (40, 539424), (45, 479488), (48, 449520), (60, 359616), (64, 337140), (72, 299680), (80, 269712), (90, 239744), (96, 224760), (120, 179808), (128, 168570), (144, 149840), (160, 134856), (180, 119872), (192, 112380), (240, 89904), (256, 84285), (288, 74920), (320, 67428), (360, 59936), (384, 56190), (480, 44952), (576, 37460), (640, 33714), (720, 29968), (768, 28095), (960, 22476), (1152, 18730), (1280, 16857), (1440, 14984), (1873, 11520), (1920, 11238), (2304, 9365), (2880, 7492), (3746, 5760), (3840, 5619)]