21795327

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 32900400

約数和(自身を除く): 11105073

約数列:

[1, 3, 9, 29, 87, 113, 261, 339, 739, 1017, 2217, 3277, 6651, 9831, 21431, 29493, 64293, 83507, 192879, 250521, 751563, 2421703, 7265109, 21795327]

約数ペア:

[(1, 21795327), (3, 7265109), (9, 2421703), (29, 751563), (87, 250521), (113, 192879), (261, 83507), (339, 64293), (739, 29493), (1017, 21431), (2217, 9831), (3277, 6651)]