21473874

素因数分解:

$2^1\times 3^2\times {\mathrm{449}}^1\times {\mathrm{2657}}^1$

素因数の和:3114

約数の個数: 24

約数和(自身を含む): 46647900

約数和(自身を除く): 25174026

約数列:

[1, 2, 3, 6, 9, 18, 449, 898, 1347, 2657, 2694, 4041, 5314, 7971, 8082, 15942, 23913, 47826, 1192993, 2385986, 3578979, 7157958, 10736937, 21473874]

約数ペア:

[(1, 21473874), (2, 10736937), (3, 7157958), (6, 3578979), (9, 2385986), (18, 1192993), (449, 47826), (898, 23913), (1347, 15942), (2657, 8082), (2694, 7971), (4041, 5314)]