21168376

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91243}}^1$

素因数の和:91278

約数の個数: 16

約数和(自身を含む): 41059800

約数和(自身を除く): 19891424

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91243, 182486, 364972, 729944, 2646047, 5292094, 10584188, 21168376]

約数ペア:

[(1, 21168376), (2, 10584188), (4, 5292094), (8, 2646047), (29, 729944), (58, 364972), (116, 182486), (232, 91243)]