21252064

素因数分解:

$2^5\times {\mathrm{577}}^1\times {\mathrm{1151}}^1$

素因数の和:1738

約数の個数: 24

約数和(自身を含む): 41948928

約数和(自身を除く): 20696864

約数列:

[1, 2, 4, 8, 16, 32, 577, 1151, 1154, 2302, 2308, 4604, 4616, 9208, 9232, 18416, 18464, 36832, 664127, 1328254, 2656508, 5313016, 10626032, 21252064]

約数ペア:

[(1, 21252064), (2, 10626032), (4, 5313016), (8, 2656508), (16, 1328254), (32, 664127), (577, 36832), (1151, 18464), (1154, 18416), (2302, 9232), (2308, 9208), (4604, 4616)]