21079128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125471}}^1$

素因数の和:125487

約数の個数: 32

約数和(自身を含む): 60226560

約数和(自身を除く): 39147432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125471, 250942, 376413, 501884, 752826, 878297, 1003768, 1505652, 1756594, 2634891, 3011304, 3513188, 5269782, 7026376, 10539564, 21079128]

約数ペア:

[(1, 21079128), (2, 10539564), (3, 7026376), (4, 5269782), (6, 3513188), (7, 3011304), (8, 2634891), (12, 1756594), (14, 1505652), (21, 1003768), (24, 878297), (28, 752826), (42, 501884), (56, 376413), (84, 250942), (168, 125471)]