21467621

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1100

約数の個数: 16

約数和(自身を含む): 25474944

約数和(自身を除く): 4007323

約数列:

[1, 7, 43, 73, 301, 511, 977, 3139, 6839, 21973, 42011, 71321, 294077, 499247, 3066803, 21467621]

約数ペア:

[(1, 21467621), (7, 3066803), (43, 499247), (73, 294077), (301, 71321), (511, 42011), (977, 21973), (3139, 6839)]