21000398504

素因数分解:

$2^3\times {\mathrm{599}}^1\times {\mathrm{4382387}}^1$

素因数の和:4382992

約数の個数: 16

約数和(自身を含む): 39441492000

約数和(自身を除く): 18441093496

約数列:

[1, 2, 4, 8, 599, 1198, 2396, 4792, 4382387, 8764774, 17529548, 35059096, 2625049813, 5250099626, 10500199252, 21000398504]

約数ペア:

[(1, 21000398504), (2, 10500199252), (4, 5250099626), (8, 2625049813), (599, 35059096), (1198, 17529548), (2396, 8764774), (4792, 4382387)]