21811308

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16987}}^1$

素因数の和:17101

約数の個数: 24

約数和(自身を含む): 51371712

約数和(自身を除く): 29560404

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16987, 33974, 50961, 67948, 101922, 203844, 1817609, 3635218, 5452827, 7270436, 10905654, 21811308]

約数ペア:

[(1, 21811308), (2, 10905654), (3, 7270436), (4, 5452827), (6, 3635218), (12, 1817609), (107, 203844), (214, 101922), (321, 67948), (428, 50961), (642, 33974), (1284, 16987)]