21612249

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 32864832

約数和(自身を除く): 11252583

約数列:

[1, 3, 9, 23, 69, 131, 207, 393, 797, 1179, 2391, 3013, 7173, 9039, 18331, 27117, 54993, 104407, 164979, 313221, 939663, 2401361, 7204083, 21612249]

約数ペア:

[(1, 21612249), (3, 7204083), (9, 2401361), (23, 939663), (69, 313221), (131, 164979), (207, 104407), (393, 54993), (797, 27117), (1179, 18331), (2391, 9039), (3013, 7173)]