21714654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278393}}^1$

素因数の和:278411

約数の個数: 16

約数和(自身を含む): 46770192

約数和(自身を除く): 25055538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278393, 556786, 835179, 1670358, 3619109, 7238218, 10857327, 21714654]

約数ペア:

[(1, 21714654), (2, 10857327), (3, 7238218), (6, 3619109), (13, 1670358), (26, 835179), (39, 556786), (78, 278393)]