21373112

素因数分解:

$2^3\times {\mathrm{173}}^1\times {\mathrm{15443}}^1$

素因数の和:15622

約数の個数: 16

約数和(自身を含む): 40308840

約数和(自身を除く): 18935728

約数列:

[1, 2, 4, 8, 173, 346, 692, 1384, 15443, 30886, 61772, 123544, 2671639, 5343278, 10686556, 21373112]

約数ペア:

[(1, 21373112), (2, 10686556), (4, 5343278), (8, 2671639), (173, 123544), (346, 61772), (692, 30886), (1384, 15443)]