21827091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 34659072

約数和(自身を除く): 12831981

約数列:

[1, 3, 11, 13, 33, 39, 83, 143, 249, 429, 613, 913, 1079, 1839, 2739, 3237, 6743, 7969, 11869, 20229, 23907, 35607, 50879, 87659, 152637, 262977, 559669, 661427, 1679007, 1984281, 7275697, 21827091]

約数ペア:

[(1, 21827091), (3, 7275697), (11, 1984281), (13, 1679007), (33, 661427), (39, 559669), (83, 262977), (143, 152637), (249, 87659), (429, 50879), (613, 35607), (913, 23907), (1079, 20229), (1839, 11869), (2739, 7969), (3237, 6743)]