21406646

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{653}}^1$

素因数の和:1135

約数の個数: 16

約数和(自身を含む): 33102864

約数和(自身を除く): 11696218

約数列:

[1, 2, 37, 74, 443, 653, 886, 1306, 16391, 24161, 32782, 48322, 289279, 578558, 10703323, 21406646]

約数ペア:

[(1, 21406646), (2, 10703323), (37, 578558), (74, 289279), (443, 48322), (653, 32782), (886, 24161), (1306, 16391)]