21068697

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{911}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 30336768

約数和(自身を除く): 9268071

約数列:

[1, 3, 13, 39, 593, 911, 1779, 2733, 7709, 11843, 23127, 35529, 540223, 1620669, 7022899, 21068697]

約数ペア:

[(1, 21068697), (3, 7022899), (13, 1620669), (39, 540223), (593, 35529), (911, 23127), (1779, 11843), (2733, 7709)]