21698001

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10909}}^1$

素因数の和:10945

約数の個数: 24

約数和(自身を含む): 35741160

約数和(自身を除く): 14043159

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10909, 32727, 98181, 141817, 185453, 425451, 556359, 1276353, 1669077, 2410889, 7232667, 21698001]

約数ペア:

[(1, 21698001), (3, 7232667), (9, 2410889), (13, 1669077), (17, 1276353), (39, 556359), (51, 425451), (117, 185453), (153, 141817), (221, 98181), (663, 32727), (1989, 10909)]