21997188

素因数分解:

$2^2\times 3^2\times {\mathrm{611033}}^1$

素因数の和:611043

約数の個数: 18

約数和(自身を含む): 55604094

約数和(自身を除く): 33606906

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 611033, 1222066, 1833099, 2444132, 3666198, 5499297, 7332396, 10998594, 21997188]

約数ペア:

[(1, 21997188), (2, 10998594), (3, 7332396), (4, 5499297), (6, 3666198), (9, 2444132), (12, 1833099), (18, 1222066), (36, 611033)]