21122330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124249}}^1$

素因数の和:124273

約数の個数: 16

約数和(自身を含む): 40257000

約数和(自身を除く): 19134670

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124249, 248498, 621245, 1242490, 2112233, 4224466, 10561165, 21122330]

約数ペア:

[(1, 21122330), (2, 10561165), (5, 4224466), (10, 2112233), (17, 1242490), (34, 621245), (85, 248498), (170, 124249)]