21608662

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{4091}}^1$

素因数の和:4251

約数の個数: 16

約数和(自身を含む): 34372800

約数和(自身を除く): 12764138

約数列:

[1, 2, 19, 38, 139, 278, 2641, 4091, 5282, 8182, 77729, 155458, 568649, 1137298, 10804331, 21608662]

約数ペア:

[(1, 21608662), (2, 10804331), (19, 1137298), (38, 568649), (139, 155458), (278, 77729), (2641, 8182), (4091, 5282)]