21964149

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 34364160

約数和(自身を除く): 12400011

約数列:

[1, 3, 9, 23, 27, 69, 113, 207, 313, 339, 621, 939, 1017, 2599, 2817, 3051, 7199, 7797, 8451, 21597, 23391, 35369, 64791, 70173, 106107, 194373, 318321, 813487, 954963, 2440461, 7321383, 21964149]

約数ペア:

[(1, 21964149), (3, 7321383), (9, 2440461), (23, 954963), (27, 813487), (69, 318321), (113, 194373), (207, 106107), (313, 70173), (339, 64791), (621, 35369), (939, 23391), (1017, 21597), (2599, 8451), (2817, 7797), (3051, 7199)]