21873283

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 16

約数和(自身を含む): 23316480

約数和(自身を除く): 1443197

約数列:

[1, 43, 47, 79, 137, 2021, 3397, 3713, 5891, 6439, 10823, 159659, 276877, 465389, 508681, 21873283]

約数ペア:

[(1, 21873283), (43, 508681), (47, 465389), (79, 276877), (137, 159659), (2021, 10823), (3397, 6439), (3713, 5891)]