21565874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51593}}^1$

素因数の和:51625

約数の個数: 16

約数和(自身を含む): 37147680

約数和(自身を除く): 15581806

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51593, 103186, 567523, 980267, 1135046, 1960534, 10782937, 21565874]

約数ペア:

[(1, 21565874), (2, 10782937), (11, 1960534), (19, 1135046), (22, 980267), (38, 567523), (209, 103186), (418, 51593)]