21833707

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 3713045

約数列:

[1, 7, 71, 197, 223, 497, 1379, 1561, 13987, 15833, 43931, 97909, 110831, 307517, 3119101, 21833707]

約数ペア:

[(1, 21833707), (7, 3119101), (71, 307517), (197, 110831), (223, 97909), (497, 43931), (1379, 15833), (1561, 13987)]