21000657688

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{55852813}}^1$

素因数の和:55852866

約数の個数: 16

約数和(自身を含む): 40214026080

約数和(自身を除く): 19213368392

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 55852813, 111705626, 223411252, 446822504, 2625082211, 5250164422, 10500328844, 21000657688]

約数ペア:

[(1, 21000657688), (2, 10500328844), (4, 5250164422), (8, 2625082211), (47, 446822504), (94, 223411252), (188, 111705626), (376, 55852813)]