21271818

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{95819}}^1$

素因数の和:95861

約数の個数: 16

約数和(自身を含む): 43693920

約数和(自身を除く): 22422102

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 95819, 191638, 287457, 574914, 3545303, 7090606, 10635909, 21271818]

約数ペア:

[(1, 21271818), (2, 10635909), (3, 7090606), (6, 3545303), (37, 574914), (74, 287457), (111, 191638), (222, 95819)]