21618685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9587}}^1$

素因数の和:9644

約数の個数: 16

約数和(自身を含む): 28994112

約数和(自身を除く): 7375427

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9587, 47935, 105457, 393067, 527285, 1965335, 4323737, 21618685]

約数ペア:

[(1, 21618685), (5, 4323737), (11, 1965335), (41, 527285), (55, 393067), (205, 105457), (451, 47935), (2255, 9587)]