21528272

素因数分解:

$2^4\times {\mathrm{593}}^1\times {\mathrm{2269}}^1$

素因数の和:2870

約数の個数: 20

約数和(自身を含む): 41799780

約数和(自身を除く): 20271508

約数列:

[1, 2, 4, 8, 16, 593, 1186, 2269, 2372, 4538, 4744, 9076, 9488, 18152, 36304, 1345517, 2691034, 5382068, 10764136, 21528272]

約数ペア:

[(1, 21528272), (2, 10764136), (4, 5382068), (8, 2691034), (16, 1345517), (593, 36304), (1186, 18152), (2269, 9488), (2372, 9076), (4538, 4744)]