21105847148

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{1723}}^1\times {\mathrm{45707}}^1$

素因数の和:47501

約数の個数: 24

約数和(自身を含む): 37509081792

約数和(自身を除く): 16403234644

約数列:

[1, 2, 4, 67, 134, 268, 1723, 3446, 6892, 45707, 91414, 115441, 182828, 230882, 461764, 3062369, 6124738, 12249476, 78753161, 157506322, 315012644, 5276461787, 10552923574, 21105847148]

約数ペア:

[(1, 21105847148), (2, 10552923574), (4, 5276461787), (67, 315012644), (134, 157506322), (268, 78753161), (1723, 12249476), (3446, 6124738), (6892, 3062369), (45707, 461764), (91414, 230882), (115441, 182828)]