21930267

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:914

約数の個数: 16

約数和(自身を含む): 29894400

約数和(自身を除く): 7964133

約数列:

[1, 3, 71, 149, 213, 447, 691, 2073, 10579, 31737, 49061, 102959, 147183, 308877, 7310089, 21930267]

約数ペア:

[(1, 21930267), (3, 7310089), (71, 308877), (149, 147183), (213, 102959), (447, 49061), (691, 31737), (2073, 10579)]