21000585948

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^2\times {\mathrm{1278341}}^1$

素因数の和:1278422

約数の個数: 36

約数和(自身を含む): 50361561432

約数和(自身を除く): 29360975484

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 1369, 2738, 4107, 5476, 8214, 16428, 1278341, 2556682, 3835023, 5113364, 7670046, 15340092, 47298617, 94597234, 141895851, 189194468, 283791702, 567583404, 1750048829, 3500097658, 5250146487, 7000195316, 10500292974, 21000585948]

約数ペア:

[(1, 21000585948), (2, 10500292974), (3, 7000195316), (4, 5250146487), (6, 3500097658), (12, 1750048829), (37, 567583404), (74, 283791702), (111, 189194468), (148, 141895851), (222, 94597234), (444, 47298617), (1369, 15340092), (2738, 7670046), (4107, 5113364), (5476, 3835023), (8214, 2556682), (16428, 1278341)]