21051840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21929}}^1$

素因数の和:21949

約数の個数: 56

約数和(自身を含む): 66842640

約数和(自身を除く): 45790800

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, 160, 192, 240, 320, 480, 960, 21929, 43858, 65787, 87716, 109645, 131574, 175432, 219290, 263148, 328935, 350864, 438580, 526296, 657870, 701728, 877160, 1052592, 1315740, 1403456, 1754320, 2105184, 2631480, 3508640, 4210368, 5262960, 7017280, 10525920, 21051840]

約数ペア:

[(1, 21051840), (2, 10525920), (3, 7017280), (4, 5262960), (5, 4210368), (6, 3508640), (8, 2631480), (10, 2105184), (12, 1754320), (15, 1403456), (16, 1315740), (20, 1052592), (24, 877160), (30, 701728), (32, 657870), (40, 526296), (48, 438580), (60, 350864), (64, 328935), (80, 263148), (96, 219290), (120, 175432), (160, 131574), (192, 109645), (240, 87716), (320, 65787), (480, 43858), (960, 21929)]