21137543175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{55381}}^1$

素因数の和:56128

約数の個数: 48

約数和(自身を含む): 39995551232

約数和(自身を除く): 18858008057

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 727, 2181, 3635, 5089, 10905, 15267, 18175, 25445, 54525, 55381, 76335, 127225, 166143, 276905, 381675, 387667, 830715, 1163001, 1384525, 1938335, 4153575, 5815005, 9691675, 29075025, 40261987, 120785961, 201309935, 281833909, 603929805, 845501727, 1006549675, 1409169545, 3019649025, 4227508635, 7045847725, 21137543175]

約数ペア:

[(1, 21137543175), (3, 7045847725), (5, 4227508635), (7, 3019649025), (15, 1409169545), (21, 1006549675), (25, 845501727), (35, 603929805), (75, 281833909), (105, 201309935), (175, 120785961), (525, 40261987), (727, 29075025), (2181, 9691675), (3635, 5815005), (5089, 4153575), (10905, 1938335), (15267, 1384525), (18175, 1163001), (25445, 830715), (54525, 387667), (55381, 381675), (76335, 276905), (127225, 166143)]