21293335

素因数分解:

$5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{3643}}^1$

素因数の和:3822

約数の個数: 16

約数和(自身を含む): 29385216

約数和(自身を除く): 8091881

約数列:

[1, 5, 7, 35, 167, 835, 1169, 3643, 5845, 18215, 25501, 127505, 608381, 3041905, 4258667, 21293335]

約数ペア:

[(1, 21293335), (5, 4258667), (7, 3041905), (35, 608381), (167, 127505), (835, 25501), (1169, 18215), (3643, 5845)]