21185893

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 23872320

約数和(自身を除く): 2686427

約数列:

[1, 17, 19, 107, 323, 613, 1819, 2033, 10421, 11647, 34561, 65591, 197999, 1115047, 1246229, 21185893]

約数ペア:

[(1, 21185893), (17, 1246229), (19, 1115047), (107, 197999), (323, 65591), (613, 34561), (1819, 11647), (2033, 10421)]