22201221

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{28573}}^1$

素因数の和:28620

約数の個数: 16

約数和(自身を含む): 34745984

約数和(自身を除く): 12544763

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 28573, 85719, 200011, 600033, 1057201, 3171603, 7400407, 22201221]

約数ペア:

[(1, 22201221), (3, 7400407), (7, 3171603), (21, 1057201), (37, 600033), (111, 200011), (259, 85719), (777, 28573)]