21000313347

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1057897}}^1$

素因数の和:1058422

約数の個数: 16

約数和(自身を含む): 30213566880

約数和(自身を除く): 9213253533

約数列:

[1, 3, 13, 39, 509, 1527, 6617, 19851, 1057897, 3173691, 13752661, 41257983, 538469573, 1615408719, 7000104449, 21000313347]

約数ペア:

[(1, 21000313347), (3, 7000104449), (13, 1615408719), (39, 538469573), (509, 41257983), (1527, 13752661), (6617, 3173691), (19851, 1057897)]