21311882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13679}}^1$

素因数の和:13741

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 13161718

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13679, 27358, 259901, 519802, 560839, 1121678, 10655941, 21311882]

約数ペア:

[(1, 21311882), (2, 10655941), (19, 1121678), (38, 560839), (41, 519802), (82, 259901), (779, 27358), (1558, 13679)]