21216396

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{76871}}^1$

素因数の和:76901

約数の個数: 24

約数和(自身を含む): 51657984

約数和(自身を除く): 30441588

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 76871, 153742, 230613, 307484, 461226, 922452, 1768033, 3536066, 5304099, 7072132, 10608198, 21216396]

約数ペア:

[(1, 21216396), (2, 10608198), (3, 7072132), (4, 5304099), (6, 3536066), (12, 1768033), (23, 922452), (46, 461226), (69, 307484), (92, 230613), (138, 153742), (276, 76871)]