21386175

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{6067}}^1$

素因数の和:6127

約数の個数: 24

約数和(自身を含む): 36116736

約数和(自身を除く): 14730561

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 6067, 18201, 30335, 91005, 151675, 285149, 455025, 855447, 1425745, 4277235, 7128725, 21386175]

約数ペア:

[(1, 21386175), (3, 7128725), (5, 4277235), (15, 1425745), (25, 855447), (47, 455025), (75, 285149), (141, 151675), (235, 91005), (705, 30335), (1175, 18201), (3525, 6067)]