21498177

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2753}}^1$

素因数の和:2912

約数の個数: 16

約数和(自身を含む): 30404160

約数和(自身を除く): 8905983

約数列:

[1, 3, 19, 57, 137, 411, 2603, 2753, 7809, 8259, 52307, 156921, 377161, 1131483, 7166059, 21498177]

約数ペア:

[(1, 21498177), (3, 7166059), (19, 1131483), (57, 377161), (137, 156921), (411, 52307), (2603, 8259), (2753, 7809)]