21066267

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 9623013

約数列:

[1, 3, 29, 31, 73, 87, 93, 107, 219, 321, 899, 2117, 2263, 2697, 3103, 3317, 6351, 6789, 7811, 9309, 9951, 23433, 65627, 96193, 196881, 226519, 242141, 288579, 679557, 726423, 7022089, 21066267]

約数ペア:

[(1, 21066267), (3, 7022089), (29, 726423), (31, 679557), (73, 288579), (87, 242141), (93, 226519), (107, 196881), (219, 96193), (321, 65627), (899, 23433), (2117, 9951), (2263, 9309), (2697, 7811), (3103, 6789), (3317, 6351)]