21083217

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1307}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 29717760

約数和(自身を除く): 8634543

約数列:

[1, 3, 19, 57, 283, 849, 1307, 3921, 5377, 16131, 24833, 74499, 369881, 1109643, 7027739, 21083217]

約数ペア:

[(1, 21083217), (3, 7027739), (19, 1109643), (57, 369881), (283, 74499), (849, 24833), (1307, 16131), (3921, 5377)]