21243710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6577}}^1$

素因数の和:6620

約数の個数: 32

約数和(自身を含む): 42625440

約数和(自身を除く): 21381730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6577, 13154, 32885, 65770, 111809, 124963, 223618, 249926, 559045, 624815, 1118090, 1249630, 2124371, 4248742, 10621855, 21243710]

約数ペア:

[(1, 21243710), (2, 10621855), (5, 4248742), (10, 2124371), (17, 1249630), (19, 1118090), (34, 624815), (38, 559045), (85, 249926), (95, 223618), (170, 124963), (190, 111809), (323, 65770), (646, 32885), (1615, 13154), (3230, 6577)]