21000827210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{349}}^1\times {\mathrm{1933}}^1$

素因数の和:2583

約数の個数: 64

約数和(自身を含む): 41523753600

約数和(自身を除く): 20522926390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 283, 349, 566, 698, 1415, 1745, 1933, 2830, 3113, 3490, 3839, 3866, 6226, 7678, 9665, 15565, 19195, 19330, 21263, 31130, 38390, 42526, 98767, 106315, 197534, 212630, 493835, 547039, 674617, 987670, 1086437, 1094078, 1349234, 2172874, 2735195, 3373085, 5432185, 5470390, 6017429, 6746170, 7420787, 10864370, 12034858, 14841574, 30087145, 37103935, 60174290, 74207870, 190916611, 381833222, 954583055, 1909166110, 2100082721, 4200165442, 10500413605, 21000827210]

約数ペア:

[(1, 21000827210), (2, 10500413605), (5, 4200165442), (10, 2100082721), (11, 1909166110), (22, 954583055), (55, 381833222), (110, 190916611), (283, 74207870), (349, 60174290), (566, 37103935), (698, 30087145), (1415, 14841574), (1745, 12034858), (1933, 10864370), (2830, 7420787), (3113, 6746170), (3490, 6017429), (3839, 5470390), (3866, 5432185), (6226, 3373085), (7678, 2735195), (9665, 2172874), (15565, 1349234), (19195, 1094078), (19330, 1086437), (21263, 987670), (31130, 674617), (38390, 547039), (42526, 493835), (98767, 212630), (106315, 197534)]