21938896

素因数分解:

$2^4\times 7^1\times {\mathrm{195883}}^1$

素因数の和:195898

約数の個数: 20

約数和(自身を含む): 48579232

約数和(自身を除く): 26640336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195883, 391766, 783532, 1371181, 1567064, 2742362, 3134128, 5484724, 10969448, 21938896]

約数ペア:

[(1, 21938896), (2, 10969448), (4, 5484724), (7, 3134128), (8, 2742362), (14, 1567064), (16, 1371181), (28, 783532), (56, 391766), (112, 195883)]