21770050

素因数分解:

$2^1\times 5^2\times {\mathrm{435401}}^1$

素因数の和:435413

約数の個数: 12

約数和(自身を含む): 40492386

約数和(自身を除く): 18722336

約数列:

[1, 2, 5, 10, 25, 50, 435401, 870802, 2177005, 4354010, 10885025, 21770050]

約数ペア:

[(1, 21770050), (2, 10885025), (5, 4354010), (10, 2177005), (25, 870802), (50, 435401)]