21145898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1\times {\mathrm{929}}^1$

素因数の和:1549

約数の個数: 16

約数和(自身を含む): 33480000

約数和(自身を除く): 12334102

約数列:

[1, 2, 19, 38, 599, 929, 1198, 1858, 11381, 17651, 22762, 35302, 556471, 1112942, 10572949, 21145898]

約数ペア:

[(1, 21145898), (2, 10572949), (19, 1112942), (38, 556471), (599, 35302), (929, 22762), (1198, 17651), (1858, 11381)]