21810448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123923}}^1$

素因数の和:123942

約数の個数: 20

約数和(自身を含む): 46099728

約数和(自身を除く): 24289280

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123923, 247846, 495692, 991384, 1363153, 1982768, 2726306, 5452612, 10905224, 21810448]

約数ペア:

[(1, 21810448), (2, 10905224), (4, 5452612), (8, 2726306), (11, 1982768), (16, 1363153), (22, 991384), (44, 495692), (88, 247846), (176, 123923)]