21083025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5981}}^1$

素因数の和:6041

約数の個数: 24

約数和(自身を含む): 35604864

約数和(自身を除く): 14521839

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5981, 17943, 29905, 89715, 149525, 281107, 448575, 843321, 1405535, 4216605, 7027675, 21083025]

約数ペア:

[(1, 21083025), (3, 7027675), (5, 4216605), (15, 1405535), (25, 843321), (47, 448575), (75, 281107), (141, 149525), (235, 89715), (705, 29905), (1175, 17943), (3525, 5981)]