21162713

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7789}}^1$

素因数の和:7832

約数の個数: 16

約数和(自身を含む): 26174400

約数和(自身を除く): 5011687

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7789, 85679, 101257, 147991, 1113827, 1627901, 1923883, 21162713]

約数ペア:

[(1, 21162713), (11, 1923883), (13, 1627901), (19, 1113827), (143, 147991), (209, 101257), (247, 85679), (2717, 7789)]