21017392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119417}}^1$

素因数の和:119436

約数の個数: 20

約数和(自身を含む): 44423496

約数和(自身を除く): 23406104

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119417, 238834, 477668, 955336, 1313587, 1910672, 2627174, 5254348, 10508696, 21017392]

約数ペア:

[(1, 21017392), (2, 10508696), (4, 5254348), (8, 2627174), (11, 1910672), (16, 1313587), (22, 955336), (44, 477668), (88, 238834), (176, 119417)]