2100020587

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3461}}^1$

素因数の和:3572

約数の個数: 32

約数和(自身を含む): 2575728000

約数和(自身を除く): 475707413

約数列:

[1, 7, 29, 49, 61, 203, 343, 427, 1421, 1769, 2989, 3461, 9947, 12383, 20923, 24227, 86681, 100369, 169589, 211121, 606767, 702583, 1187123, 1477847, 4918081, 6122509, 10344929, 34426567, 42857563, 72414503, 300002941, 2100020587]

約数ペア:

[(1, 2100020587), (7, 300002941), (29, 72414503), (49, 42857563), (61, 34426567), (203, 10344929), (343, 6122509), (427, 4918081), (1421, 1477847), (1769, 1187123), (2989, 702583), (3461, 606767), (9947, 211121), (12383, 169589), (20923, 100369), (24227, 86681)]