21403804958

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1\times {\mathrm{1949}}^1$

素因数の和:2732

約数の個数: 32

約数和(自身を含む): 33059426400

約数和(自身を除く): 11655621442

約数列:

[1, 2, 43, 86, 277, 461, 554, 922, 1949, 3898, 11911, 19823, 23822, 39646, 83807, 127697, 167614, 255394, 539873, 898489, 1079746, 1796978, 5490971, 10981942, 23214539, 38635027, 46429078, 77270054, 248881453, 497762906, 10701902479, 21403804958]

約数ペア:

[(1, 21403804958), (2, 10701902479), (43, 497762906), (86, 248881453), (277, 77270054), (461, 46429078), (554, 38635027), (922, 23214539), (1949, 10981942), (3898, 5490971), (11911, 1796978), (19823, 1079746), (23822, 898489), (39646, 539873), (83807, 255394), (127697, 167614)]