21000724764

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{143813}}^1$

素因数の和:144146

約数の個数: 48

約数和(自身を含む): 50318792832

約数和(自身を除く): 29318068068

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 283, 516, 566, 849, 1132, 1698, 3396, 12169, 24338, 36507, 48676, 73014, 143813, 146028, 287626, 431439, 575252, 862878, 1725756, 6183959, 12367918, 18551877, 24735836, 37103754, 40699079, 74207508, 81398158, 122097237, 162796316, 244194474, 488388948, 1750060397, 3500120794, 5250181191, 7000241588, 10500362382, 21000724764]

約数ペア:

[(1, 21000724764), (2, 10500362382), (3, 7000241588), (4, 5250181191), (6, 3500120794), (12, 1750060397), (43, 488388948), (86, 244194474), (129, 162796316), (172, 122097237), (258, 81398158), (283, 74207508), (516, 40699079), (566, 37103754), (849, 24735836), (1132, 18551877), (1698, 12367918), (3396, 6183959), (12169, 1725756), (24338, 862878), (36507, 575252), (48676, 431439), (73014, 287626), (143813, 146028)]