21077584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119759}}^1$

素因数の和:119778

約数の個数: 20

約数和(自身を含む): 44550720

約数和(自身を除く): 23473136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119759, 239518, 479036, 958072, 1317349, 1916144, 2634698, 5269396, 10538792, 21077584]

約数ペア:

[(1, 21077584), (2, 10538792), (4, 5269396), (8, 2634698), (11, 1916144), (16, 1317349), (22, 958072), (44, 479036), (88, 239518), (176, 119759)]