21196263

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37783}}^1$

素因数の和:37814

約数の個数: 16

約数和(自身を含む): 32645376

約数和(自身を除く): 11449113

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37783, 113349, 415613, 642311, 1246839, 1926933, 7065421, 21196263]

約数ペア:

[(1, 21196263), (3, 7065421), (11, 1926933), (17, 1246839), (33, 642311), (51, 415613), (187, 113349), (561, 37783)]