21968252

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 39416832

約数和(自身を除く): 17448580

約数列:

[1, 2, 4, 71, 103, 142, 206, 284, 412, 751, 1502, 3004, 7313, 14626, 29252, 53321, 77353, 106642, 154706, 213284, 309412, 5492063, 10984126, 21968252]

約数ペア:

[(1, 21968252), (2, 10984126), (4, 5492063), (71, 309412), (103, 213284), (142, 154706), (206, 106642), (284, 77353), (412, 53321), (751, 29252), (1502, 14626), (3004, 7313)]