21266068

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 38323712

約数和(自身を除く): 17057644

約数列:

[1, 2, 4, 67, 73, 134, 146, 268, 292, 1087, 2174, 4348, 4891, 9782, 19564, 72829, 79351, 145658, 158702, 291316, 317404, 5316517, 10633034, 21266068]

約数ペア:

[(1, 21266068), (2, 10633034), (4, 5316517), (67, 317404), (73, 291316), (134, 158702), (146, 145658), (268, 79351), (292, 72829), (1087, 19564), (2174, 9782), (4348, 4891)]