21385806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{274177}}^1$

素因数の和:274195

約数の個数: 16

約数和(自身を含む): 46061904

約数和(自身を除く): 24676098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 274177, 548354, 822531, 1645062, 3564301, 7128602, 10692903, 21385806]

約数ペア:

[(1, 21385806), (2, 10692903), (3, 7128602), (6, 3564301), (13, 1645062), (26, 822531), (39, 548354), (78, 274177)]