21000979309

素因数分解:

${\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1\times {\mathrm{3863}}^1$

素因数の和:5136

約数の個数: 16

約数和(自身を含む): 21680934912

約数和(自身を除く): 679955603

約数列:

[1, 47, 103, 1123, 3863, 4841, 52781, 115669, 181561, 397889, 4338149, 5436443, 18700783, 203893003, 446829347, 21000979309]

約数ペア:

[(1, 21000979309), (47, 446829347), (103, 203893003), (1123, 18700783), (3863, 5436443), (4841, 4338149), (52781, 397889), (115669, 181561)]