21057244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21313}}^1$

素因数の和:21349

約数の個数: 24

約数和(自身を含む): 41775440

約数和(自身を除く): 20718196

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21313, 42626, 85252, 277069, 404947, 554138, 809894, 1108276, 1619788, 5264311, 10528622, 21057244]

約数ペア:

[(1, 21057244), (2, 10528622), (4, 5264311), (13, 1619788), (19, 1108276), (26, 809894), (38, 554138), (52, 404947), (76, 277069), (247, 85252), (494, 42626), (988, 21313)]