21379254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{274093}}^1$

素因数の和:274111

約数の個数: 16

約数和(自身を含む): 46047792

約数和(自身を除く): 24668538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 274093, 548186, 822279, 1644558, 3563209, 7126418, 10689627, 21379254]

約数ペア:

[(1, 21379254), (2, 10689627), (3, 7126418), (6, 3563209), (13, 1644558), (26, 822279), (39, 548186), (78, 274093)]