21879338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{5039}}^1$

素因数の和:5221

約数の個数: 16

約数和(自身を含む): 35562240

約数和(自身を除く): 13682902

約数列:

[1, 2, 13, 26, 167, 334, 2171, 4342, 5039, 10078, 65507, 131014, 841513, 1683026, 10939669, 21879338]

約数ペア:

[(1, 21879338), (2, 10939669), (13, 1683026), (26, 841513), (167, 131014), (334, 65507), (2171, 10078), (4342, 5039)]