21784917

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{94307}}^1$

素因数の和:94328

約数の個数: 16

約数和(自身を含む): 36214272

約数和(自身を除く): 14429355

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 94307, 282921, 660149, 1037377, 1980447, 3112131, 7261639, 21784917]

約数ペア:

[(1, 21784917), (3, 7261639), (7, 3112131), (11, 1980447), (21, 1037377), (33, 660149), (77, 282921), (231, 94307)]