21010539

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{809}}^1$

素因数の和:1610

約数の個数: 16

約数和(自身を含む): 30637440

約数和(自身を除く): 9626901

約数列:

[1, 3, 11, 33, 787, 809, 2361, 2427, 8657, 8899, 25971, 26697, 636683, 1910049, 7003513, 21010539]

約数ペア:

[(1, 21010539), (3, 7003513), (11, 1910049), (33, 636683), (787, 26697), (809, 25971), (2361, 8899), (2427, 8657)]