21529552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122327}}^1$

素因数の和:122346

約数の個数: 20

約数和(自身を含む): 45506016

約数和(自身を除く): 23976464

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122327, 244654, 489308, 978616, 1345597, 1957232, 2691194, 5382388, 10764776, 21529552]

約数ペア:

[(1, 21529552), (2, 10764776), (4, 5382388), (8, 2691194), (11, 1957232), (16, 1345597), (22, 978616), (44, 489308), (88, 244654), (176, 122327)]