21275778896

素因数分解:

$2^4\times {\mathrm{6389}}^1\times {\mathrm{208129}}^1$

素因数の和:214526

約数の個数: 20

約数和(自身を含む): 41228471700

約数和(自身を除く): 19952692804

約数列:

[1, 2, 4, 8, 16, 6389, 12778, 25556, 51112, 102224, 208129, 416258, 832516, 1665032, 3330064, 1329736181, 2659472362, 5318944724, 10637889448, 21275778896]

約数ペア:

[(1, 21275778896), (2, 10637889448), (4, 5318944724), (8, 2659472362), (16, 1329736181), (6389, 3330064), (12778, 1665032), (25556, 832516), (51112, 416258), (102224, 208129)]