21000751889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1\times {\mathrm{60343}}^1$

素因数の和:61784

約数の個数: 16

約数和(自身を含む): 23823811200

約数和(自身を除く): 2823059311

約数列:

[1, 13, 19, 247, 1409, 18317, 26771, 60343, 348023, 784459, 1146517, 14904721, 85023287, 1105302731, 1615442453, 21000751889]

約数ペア:

[(1, 21000751889), (13, 1615442453), (19, 1105302731), (247, 85023287), (1409, 14904721), (18317, 1146517), (26771, 784459), (60343, 348023)]