21000455270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72415363}}^1$

素因数の和:72415399

約数の個数: 16

約数和(自身を含む): 39104296560

約数和(自身を除く): 18103841290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 72415363, 144830726, 362076815, 724153630, 2100045527, 4200091054, 10500227635, 21000455270]

約数ペア:

[(1, 21000455270), (2, 10500227635), (5, 4200091054), (10, 2100045527), (29, 724153630), (58, 362076815), (145, 144830726), (290, 72415363)]