21179042

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15193}}^1$

素因数の和:15253

約数の個数: 16

約数和(自身を含む): 34459992

約数和(自身を除く): 13280950

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15193, 30386, 258281, 516562, 622913, 1245826, 10589521, 21179042]

約数ペア:

[(1, 21179042), (2, 10589521), (17, 1245826), (34, 622913), (41, 516562), (82, 258281), (697, 30386), (1394, 15193)]