21073347

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 31187520

約数和(自身を除く): 10114173

約数列:

[1, 3, 9, 97, 101, 239, 291, 303, 717, 873, 909, 2151, 9797, 23183, 24139, 29391, 69549, 72417, 88173, 208647, 217251, 2341483, 7024449, 21073347]

約数ペア:

[(1, 21073347), (3, 7024449), (9, 2341483), (97, 217251), (101, 208647), (239, 88173), (291, 72417), (303, 69549), (717, 29391), (873, 24139), (909, 23183), (2151, 9797)]