21528489951

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{670231}}^1$

素因数の和:670363

約数の個数: 24

約数和(自身を含む): 32203307136

約数和(自身を除く): 10674817185

約数列:

[1, 3, 9, 43, 83, 129, 249, 387, 747, 3569, 10707, 32121, 670231, 2010693, 6032079, 28819933, 55629173, 86459799, 166887519, 259379397, 500662557, 2392054439, 7176163317, 21528489951]

約数ペア:

[(1, 21528489951), (3, 7176163317), (9, 2392054439), (43, 500662557), (83, 259379397), (129, 166887519), (249, 86459799), (387, 55629173), (747, 28819933), (3569, 6032079), (10707, 2010693), (32121, 670231)]