21312298

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22721}}^1$

素因数の和:22797

約数の個数: 16

約数和(自身を含む): 37082304

約数和(自身を除く): 15770006

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22721, 45442, 159047, 318094, 1522307, 3044614, 10656149, 21312298]

約数ペア:

[(1, 21312298), (2, 10656149), (7, 3044614), (14, 1522307), (67, 318094), (134, 159047), (469, 45442), (938, 22721)]