21796379

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 3363301

約数列:

[1, 11, 31, 41, 341, 451, 1271, 1559, 13981, 17149, 48329, 63919, 531619, 703109, 1981489, 21796379]

約数ペア:

[(1, 21796379), (11, 1981489), (31, 703109), (41, 531619), (341, 63919), (451, 48329), (1271, 17149), (1559, 13981)]