21000343396

素因数分解:

$2^2\times {\mathrm{599}}^1\times {\mathrm{8764751}}^1$

素因数の和:8765354

約数の個数: 12

約数和(自身を含む): 36811958400

約数和(自身を除く): 15811615004

約数列:

[1, 2, 4, 599, 1198, 2396, 8764751, 17529502, 35059004, 5250085849, 10500171698, 21000343396]

約数ペア:

[(1, 21000343396), (2, 10500171698), (4, 5250085849), (599, 35059004), (1198, 17529502), (2396, 8764751)]