21774669

素因数分解:

$3^1\times 7^4\times {\mathrm{3023}}^1$

素因数の和:3054

約数の個数: 20

約数和(自身を含む): 33880896

約数和(自身を除く): 12106227

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 3023, 7203, 9069, 21161, 63483, 148127, 444381, 1036889, 3110667, 7258223, 21774669]

約数ペア:

[(1, 21774669), (3, 7258223), (7, 3110667), (21, 1036889), (49, 444381), (147, 148127), (343, 63483), (1029, 21161), (2401, 9069), (3023, 7203)]