21354153

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 29400000

約数和(自身を除く): 8045847

約数列:

[1, 3, 41, 123, 139, 417, 1249, 3747, 5699, 17097, 51209, 153627, 173611, 520833, 7118051, 21354153]

約数ペア:

[(1, 21354153), (3, 7118051), (41, 520833), (123, 173611), (139, 153627), (417, 51209), (1249, 17097), (3747, 5699)]