21556317

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1193}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 30375360

約数和(自身を除く): 8819043

約数列:

[1, 3, 19, 57, 317, 951, 1193, 3579, 6023, 18069, 22667, 68001, 378181, 1134543, 7185439, 21556317]

約数ペア:

[(1, 21556317), (3, 7185439), (19, 1134543), (57, 378181), (317, 68001), (951, 22667), (1193, 18069), (3579, 6023)]