21254004

素因数分解:

$2^2\times 3^2\times {\mathrm{590389}}^1$

素因数の和:590399

約数の個数: 18

約数和(自身を含む): 53725490

約数和(自身を除く): 32471486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 590389, 1180778, 1771167, 2361556, 3542334, 5313501, 7084668, 10627002, 21254004]

約数ペア:

[(1, 21254004), (2, 10627002), (3, 7084668), (4, 5313501), (6, 3542334), (9, 2361556), (12, 1771167), (18, 1180778), (36, 590389)]