21108080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37693}}^1$

素因数の和:37713

約数の個数: 40

約数和(自身を含む): 56088672

約数和(自身を除く): 34980592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37693, 75386, 150772, 188465, 263851, 301544, 376930, 527702, 603088, 753860, 1055404, 1319255, 1507720, 2110808, 2638510, 3015440, 4221616, 5277020, 10554040, 21108080]

約数ペア:

[(1, 21108080), (2, 10554040), (4, 5277020), (5, 4221616), (7, 3015440), (8, 2638510), (10, 2110808), (14, 1507720), (16, 1319255), (20, 1055404), (28, 753860), (35, 603088), (40, 527702), (56, 376930), (70, 301544), (80, 263851), (112, 188465), (140, 150772), (280, 75386), (560, 37693)]