21088314

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90121}}^1$

素因数の和:90142

約数の個数: 24

約数和(自身を含む): 49206612

約数和(自身を除く): 28118298

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90121, 180242, 270363, 540726, 811089, 1171573, 1622178, 2343146, 3514719, 7029438, 10544157, 21088314]

約数ペア:

[(1, 21088314), (2, 10544157), (3, 7029438), (6, 3514719), (9, 2343146), (13, 1622178), (18, 1171573), (26, 811089), (39, 540726), (78, 270363), (117, 180242), (234, 90121)]