21878045202

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{280487759}}^1$

素因数の和:280487777

約数の個数: 16

約数和(自身を含む): 47121943680

約数和(自身を除く): 25243898478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 280487759, 560975518, 841463277, 1682926554, 3646340867, 7292681734, 10939022601, 21878045202]

約数ペア:

[(1, 21878045202), (2, 10939022601), (3, 7292681734), (6, 3646340867), (13, 1682926554), (26, 841463277), (39, 560975518), (78, 280487759)]