21988341

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{2207}}^1$

素因数の和:2263

約数の個数: 24

約数和(自身を含む): 33755904

約数和(自身を除く): 11767563

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 2207, 3321, 6621, 9963, 19863, 59589, 90487, 178767, 271461, 536301, 814383, 2443149, 7329447, 21988341]

約数ペア:

[(1, 21988341), (3, 7329447), (9, 2443149), (27, 814383), (41, 536301), (81, 271461), (123, 178767), (243, 90487), (369, 59589), (1107, 19863), (2207, 9963), (3321, 6621)]