21831218

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{857}}^1$

素因数の和:1177

約数の個数: 16

約数和(自身を含む): 33606144

約数和(自身を除く): 11774926

約数列:

[1, 2, 47, 94, 271, 542, 857, 1714, 12737, 25474, 40279, 80558, 232247, 464494, 10915609, 21831218]

約数ペア:

[(1, 21831218), (2, 10915609), (47, 464494), (94, 232247), (271, 80558), (542, 40279), (857, 25474), (1714, 12737)]