21000657708

素因数分解:

$2^2\times 3^2\times {\mathrm{583351603}}^1$

素因数の和:583351613

約数の個数: 18

約数和(自身を含む): 53084995964

約数和(自身を除く): 32084338256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 583351603, 1166703206, 1750054809, 2333406412, 3500109618, 5250164427, 7000219236, 10500328854, 21000657708]

約数ペア:

[(1, 21000657708), (2, 10500328854), (3, 7000219236), (4, 5250164427), (6, 3500109618), (9, 2333406412), (12, 1750054809), (18, 1166703206), (36, 583351603)]