25830021

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{72353}}^1$

素因数の和:72380

約数の個数: 16

約数和(自身を含む): 41675904

約数和(自身を除く): 15845883

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 72353, 217059, 506471, 1230001, 1519413, 3690003, 8610007, 25830021]

約数ペア:

[(1, 25830021), (3, 8610007), (7, 3690003), (17, 1519413), (21, 1230001), (51, 506471), (119, 217059), (357, 72353)]