21355166

素因数分解:

$2^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{6661}}^1$

素因数の和:6899

約数の個数: 16

約数和(自身を含む): 36774240

約数和(自身を除く): 15419074

約数列:

[1, 2, 7, 14, 229, 458, 1603, 3206, 6661, 13322, 46627, 93254, 1525369, 3050738, 10677583, 21355166]

約数ペア:

[(1, 21355166), (2, 10677583), (7, 3050738), (14, 1525369), (229, 93254), (458, 46627), (1603, 13322), (3206, 6661)]