21974913

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2003}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 33763392

約数和(自身を除く): 11788479

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 2003, 3657, 6009, 10971, 18027, 46069, 106159, 138207, 318477, 414621, 955431, 2441657, 7324971, 21974913]

約数ペア:

[(1, 21974913), (3, 7324971), (9, 2441657), (23, 955431), (53, 414621), (69, 318477), (159, 138207), (207, 106159), (477, 46069), (1219, 18027), (2003, 10971), (3657, 6009)]