21106560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10993}}^1$

素因数の和:11015

約数の個数: 64

約数和(自身を含む): 67283280

約数和(自身を除く): 46176720

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, 10993, 21986, 32979, 43972, 54965, 65958, 87944, 109930, 131916, 164895, 175888, 219860, 263832, 329790, 351776, 439720, 527664, 659580, 703552, 879440, 1055328, 1319160, 1407104, 1758880, 2110656, 2638320, 3517760, 4221312, 5276640, 7035520, 10553280, 21106560]

約数ペア:

[(1, 21106560), (2, 10553280), (3, 7035520), (4, 5276640), (5, 4221312), (6, 3517760), (8, 2638320), (10, 2110656), (12, 1758880), (15, 1407104), (16, 1319160), (20, 1055328), (24, 879440), (30, 703552), (32, 659580), (40, 527664), (48, 439720), (60, 351776), (64, 329790), (80, 263832), (96, 219860), (120, 175888), (128, 164895), (160, 131916), (192, 109930), (240, 87944), (320, 65958), (384, 54965), (480, 43972), (640, 32979), (960, 21986), (1920, 10993)]