21520882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18269}}^1$

素因数の和:18321

約数の個数: 16

約数和(自身を含む): 35078400

約数和(自身を除く): 13557518

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 18269, 36538, 347111, 566339, 694222, 1132678, 10760441, 21520882]

約数ペア:

[(1, 21520882), (2, 10760441), (19, 1132678), (31, 694222), (38, 566339), (62, 347111), (589, 36538), (1178, 18269)]