21005932005

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1\times {\mathrm{8819}}^1$

素因数の和:10162

約数の個数: 48

約数和(自身を含む): 37331461440

約数和(自身を除く): 16325529435

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1291, 1845, 3873, 6455, 8819, 11619, 19365, 26457, 44095, 52931, 58095, 79371, 132285, 158793, 264655, 361579, 396855, 476379, 793965, 1084737, 1807895, 2381895, 3254211, 5423685, 11385329, 16271055, 34155987, 56926645, 102467961, 170779935, 466798489, 512339805, 1400395467, 2333992445, 4201186401, 7001977335, 21005932005]

約数ペア:

[(1, 21005932005), (3, 7001977335), (5, 4201186401), (9, 2333992445), (15, 1400395467), (41, 512339805), (45, 466798489), (123, 170779935), (205, 102467961), (369, 56926645), (615, 34155987), (1291, 16271055), (1845, 11385329), (3873, 5423685), (6455, 3254211), (8819, 2381895), (11619, 1807895), (19365, 1084737), (26457, 793965), (44095, 476379), (52931, 396855), (58095, 361579), (79371, 264655), (132285, 158793)]