21050817

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{953}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 29001600

約数和(自身を除く): 7950783

約数列:

[1, 3, 37, 111, 199, 597, 953, 2859, 7363, 22089, 35261, 105783, 189647, 568941, 7016939, 21050817]

約数ペア:

[(1, 21050817), (3, 7016939), (37, 568941), (111, 189647), (199, 105783), (597, 35261), (953, 22089), (2859, 7363)]