21727491

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 8028669

約数列:

[1, 3, 71, 83, 213, 249, 1229, 3687, 5893, 17679, 87259, 102007, 261777, 306021, 7242497, 21727491]

約数ペア:

[(1, 21727491), (3, 7242497), (71, 306021), (83, 261777), (213, 102007), (249, 87259), (1229, 17679), (3687, 5893)]