21090982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56393}}^1$

素因数の和:56423

約数の個数: 16

約数和(自身を含む): 36543312

約数和(自身を除く): 15452330

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56393, 112786, 620323, 958681, 1240646, 1917362, 10545491, 21090982]

約数ペア:

[(1, 21090982), (2, 10545491), (11, 1917362), (17, 1240646), (22, 958681), (34, 620323), (187, 112786), (374, 56393)]