21600486

素因数分解:

$2^1\times 3^3\times {\mathrm{400009}}^1$

素因数の和:400020

約数の個数: 16

約数和(自身を含む): 48001200

約数和(自身を除く): 26400714

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 400009, 800018, 1200027, 2400054, 3600081, 7200162, 10800243, 21600486]

約数ペア:

[(1, 21600486), (2, 10800243), (3, 7200162), (6, 3600081), (9, 2400054), (18, 1200027), (27, 800018), (54, 400009)]