21496894

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1303}}^1$

素因数の和:1491

約数の個数: 16

約数和(自身を含む): 33001632

約数和(自身を除く): 11504738

約数列:

[1, 2, 73, 113, 146, 226, 1303, 2606, 8249, 16498, 95119, 147239, 190238, 294478, 10748447, 21496894]

約数ペア:

[(1, 21496894), (2, 10748447), (73, 294478), (113, 190238), (146, 147239), (226, 95119), (1303, 16498), (2606, 8249)]