21603969

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1831}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 35174400

約数和(自身を除く): 13570431

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 1831, 3933, 5493, 11799, 16479, 34789, 42113, 49437, 104367, 126339, 313101, 379017, 800147, 939303, 1137051, 2400441, 7201323, 21603969]

約数ペア:

[(1, 21603969), (3, 7201323), (9, 2400441), (19, 1137051), (23, 939303), (27, 800147), (57, 379017), (69, 313101), (171, 126339), (207, 104367), (437, 49437), (513, 42113), (621, 34789), (1311, 16479), (1831, 11799), (3933, 5493)]