21639651

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34513}}^1$

素因数の和:34546

約数の個数: 16

約数和(自身を含む): 33133440

約数和(自身を除く): 11493789

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34513, 103539, 379643, 655747, 1138929, 1967241, 7213217, 21639651]

約数ペア:

[(1, 21639651), (3, 7213217), (11, 1967241), (19, 1138929), (33, 655747), (57, 379643), (209, 103539), (627, 34513)]