21815412

素因数分解:

$2^2\times 3^1\times {\mathrm{277}}^1\times {\mathrm{6563}}^1$

素因数の和:6847

約数の個数: 24

約数和(自身を含む): 51094176

約数和(自身を除く): 29278764

約数列:

[1, 2, 3, 4, 6, 12, 277, 554, 831, 1108, 1662, 3324, 6563, 13126, 19689, 26252, 39378, 78756, 1817951, 3635902, 5453853, 7271804, 10907706, 21815412]

約数ペア:

[(1, 21815412), (2, 10907706), (3, 7271804), (4, 5453853), (6, 3635902), (12, 1817951), (277, 78756), (554, 39378), (831, 26252), (1108, 19689), (1662, 13126), (3324, 6563)]