51408021

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{23767}}^1$

素因数の和:23880

約数の個数: 16

約数和(自身を含む): 79099904

約数和(自身を除く): 27691883

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 23767, 71301, 166369, 499107, 2448001, 7344003, 17136007, 51408021]

約数ペア:

[(1, 51408021), (3, 17136007), (7, 7344003), (21, 2448001), (103, 499107), (309, 166369), (721, 71301), (2163, 23767)]