21256797

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{3347}}^1$

素因数の和:3452

約数の個数: 16

約数和(自身を含む): 29730240

約数和(自身を除く): 8473443

約数列:

[1, 3, 29, 73, 87, 219, 2117, 3347, 6351, 10041, 97063, 244331, 291189, 732993, 7085599, 21256797]

約数ペア:

[(1, 21256797), (3, 7085599), (29, 732993), (73, 291189), (87, 244331), (219, 97063), (2117, 10041), (3347, 6351)]