21652761

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29221}}^1$

素因数の和:29256

約数の個数: 16

約数和(自身を含む): 32728640

約数和(自身を除く): 11075879

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 29221, 87663, 379873, 555199, 1139619, 1665597, 7217587, 21652761]

約数ペア:

[(1, 21652761), (3, 7217587), (13, 1665597), (19, 1139619), (39, 555199), (57, 379873), (247, 87663), (741, 29221)]