21662711

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{683}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 26002944

約数和(自身を除く): 4340233

約数列:

[1, 7, 23, 161, 197, 683, 1379, 4531, 4781, 15709, 31717, 109963, 134551, 941857, 3094673, 21662711]

約数ペア:

[(1, 21662711), (7, 3094673), (23, 941857), (161, 134551), (197, 109963), (683, 31717), (1379, 15709), (4531, 4781)]