21937951

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{587}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 26530560

約数和(自身を除く): 4592609

約数列:

[1, 7, 19, 133, 281, 587, 1967, 4109, 5339, 11153, 37373, 78071, 164947, 1154629, 3133993, 21937951]

約数ペア:

[(1, 21937951), (7, 3133993), (19, 1154629), (133, 164947), (281, 78071), (587, 37373), (1967, 11153), (4109, 5339)]