21603879

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4643}}^1$

素因数の和:4707

約数の個数: 24

約数和(自身を含む): 34774272

約数和(自身を除く): 13170393

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4643, 4653, 13929, 41787, 51073, 153219, 218221, 459657, 654663, 1963989, 2400431, 7201293, 21603879]

約数ペア:

[(1, 21603879), (3, 7201293), (9, 2400431), (11, 1963989), (33, 654663), (47, 459657), (99, 218221), (141, 153219), (423, 51073), (517, 41787), (1551, 13929), (4643, 4653)]