21182170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124601}}^1$

素因数の和:124625

約数の個数: 16

約数和(自身を含む): 40371048

約数和(自身を除く): 19188878

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124601, 249202, 623005, 1246010, 2118217, 4236434, 10591085, 21182170]

約数ペア:

[(1, 21182170), (2, 10591085), (5, 4236434), (10, 2118217), (17, 1246010), (34, 623005), (85, 249202), (170, 124601)]