21470982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{275269}}^1$

素因数の和:275287

約数の個数: 16

約数和(自身を含む): 46245360

約数和(自身を除く): 24774378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 275269, 550538, 825807, 1651614, 3578497, 7156994, 10735491, 21470982]

約数ペア:

[(1, 21470982), (2, 10735491), (3, 7156994), (6, 3578497), (13, 1651614), (26, 825807), (39, 550538), (78, 275269)]