21262274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 37195200

約数和(自身を除く): 15932926

約数列:

[1, 2, 11, 17, 22, 34, 139, 187, 278, 374, 409, 818, 1529, 2363, 3058, 4499, 4726, 6953, 8998, 13906, 25993, 51986, 56851, 76483, 113702, 152966, 625361, 966467, 1250722, 1932934, 10631137, 21262274]

約数ペア:

[(1, 21262274), (2, 10631137), (11, 1932934), (17, 1250722), (22, 966467), (34, 625361), (139, 152966), (187, 113702), (278, 76483), (374, 56851), (409, 51986), (818, 25993), (1529, 13906), (2363, 8998), (3058, 6953), (4499, 4726)]