21512562

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{26171}}^1$

素因数の和:26313

約数の個数: 16

約数和(自身を含む): 43340832

約数和(自身を除く): 21828270

約数列:

[1, 2, 3, 6, 137, 274, 411, 822, 26171, 52342, 78513, 157026, 3585427, 7170854, 10756281, 21512562]

約数ペア:

[(1, 21512562), (2, 10756281), (3, 7170854), (6, 3585427), (137, 157026), (274, 78513), (411, 52342), (822, 26171)]