21854427

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54773}}^1$

素因数の和:54802

約数の個数: 16

約数和(自身を含む): 35055360

約数和(自身を除く): 13200933

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 54773, 164319, 383411, 1040687, 1150233, 3122061, 7284809, 21854427]

約数ペア:

[(1, 21854427), (3, 7284809), (7, 3122061), (19, 1150233), (21, 1040687), (57, 383411), (133, 164319), (399, 54773)]