21046899

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1249}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 28980000

約数和(自身を除く): 7933101

約数列:

[1, 3, 41, 123, 137, 411, 1249, 3747, 5617, 16851, 51209, 153627, 171113, 513339, 7015633, 21046899]

約数ペア:

[(1, 21046899), (3, 7015633), (41, 513339), (123, 171113), (137, 153627), (411, 51209), (1249, 16851), (3747, 5617)]