21101091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{1033}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 30771840

約数和(自身を除く): 9670749

約数列:

[1, 3, 11, 33, 619, 1033, 1857, 3099, 6809, 11363, 20427, 34089, 639427, 1918281, 7033697, 21101091]

約数ペア:

[(1, 21101091), (3, 7033697), (11, 1918281), (33, 639427), (619, 34089), (1033, 20427), (1857, 11363), (3099, 6809)]