21939357

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3225

約数の個数: 24

約数和(自身を含む): 33856480

約数和(自身を除く): 11917123

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 627, 2299, 3181, 6897, 9543, 34991, 60439, 104973, 181317, 384901, 664829, 1154703, 1994487, 7313119, 21939357]

約数ペア:

[(1, 21939357), (3, 7313119), (11, 1994487), (19, 1154703), (33, 664829), (57, 384901), (121, 181317), (209, 104973), (363, 60439), (627, 34991), (2299, 9543), (3181, 6897)]