21084350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 45318528

約数和(自身を除く): 24234178

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 107, 175, 214, 350, 535, 563, 749, 1070, 1126, 1498, 2675, 2815, 3745, 3941, 5350, 5630, 7490, 7882, 14075, 18725, 19705, 28150, 37450, 39410, 60241, 98525, 120482, 197050, 301205, 421687, 602410, 843374, 1506025, 2108435, 3012050, 4216870, 10542175, 21084350]

約数ペア:

[(1, 21084350), (2, 10542175), (5, 4216870), (7, 3012050), (10, 2108435), (14, 1506025), (25, 843374), (35, 602410), (50, 421687), (70, 301205), (107, 197050), (175, 120482), (214, 98525), (350, 60241), (535, 39410), (563, 37450), (749, 28150), (1070, 19705), (1126, 18725), (1498, 14075), (2675, 7882), (2815, 7490), (3745, 5630), (3941, 5350)]