21081509760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10979953}}^1$

素因数の和:10979975

約数の個数: 64

約数和(自身を含む): 67197318480

約数和(自身を除く): 46115808720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10979953, 21959906, 32939859, 43919812, 54899765, 65879718, 87839624, 109799530, 131759436, 164699295, 175679248, 219599060, 263518872, 329398590, 351358496, 439198120, 527037744, 658797180, 702716992, 878396240, 1054075488, 1317594360, 1405433984, 1756792480, 2108150976, 2635188720, 3513584960, 4216301952, 5270377440, 7027169920, 10540754880, 21081509760]

約数ペア:

[(1, 21081509760), (2, 10540754880), (3, 7027169920), (4, 5270377440), (5, 4216301952), (6, 3513584960), (8, 2635188720), (10, 2108150976), (12, 1756792480), (15, 1405433984), (16, 1317594360), (20, 1054075488), (24, 878396240), (30, 702716992), (32, 658797180), (40, 527037744), (48, 439198120), (60, 351358496), (64, 329398590), (80, 263518872), (96, 219599060), (120, 175679248), (128, 164699295), (160, 131759436), (192, 109799530), (240, 87839624), (320, 65879718), (384, 54899765), (480, 43919812), (640, 32939859), (960, 21959906), (1920, 10979953)]