21254642

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2447}}^1$

素因数の和:2593

約数の個数: 16

約数和(自身を含む): 32959872

約数和(自身を除く): 11705230

約数列:

[1, 2, 43, 86, 101, 202, 2447, 4343, 4894, 8686, 105221, 210442, 247147, 494294, 10627321, 21254642]

約数ペア:

[(1, 21254642), (2, 10627321), (43, 494294), (86, 247147), (101, 210442), (202, 105221), (2447, 8686), (4343, 4894)]