21168417

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1543}}^1$

素因数の和:1832

約数の個数: 16

約数和(自身を含む): 30015360

約数和(自身を除く): 8846943

約数列:

[1, 3, 17, 51, 269, 807, 1543, 4573, 4629, 13719, 26231, 78693, 415067, 1245201, 7056139, 21168417]

約数ペア:

[(1, 21168417), (3, 7056139), (17, 1245201), (51, 415067), (269, 78693), (807, 26231), (1543, 13719), (4573, 4629)]