21778290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{241981}}^1$

素因数の和:241994

約数の個数: 24

約数和(自身を含む): 56623788

約数和(自身を除く): 34845498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 241981, 483962, 725943, 1209905, 1451886, 2177829, 2419810, 3629715, 4355658, 7259430, 10889145, 21778290]

約数ペア:

[(1, 21778290), (2, 10889145), (3, 7259430), (5, 4355658), (6, 3629715), (9, 2419810), (10, 2177829), (15, 1451886), (18, 1209905), (30, 725943), (45, 483962), (90, 241981)]