21250701

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4397}}^1$

素因数の和:4585

約数の個数: 16

約数和(自身を含む): 31665600

約数和(自身を除く): 10414899

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4397, 4833, 13191, 39573, 118719, 787063, 2361189, 7083567, 21250701]

約数ペア:

[(1, 21250701), (3, 7083567), (9, 2361189), (27, 787063), (179, 118719), (537, 39573), (1611, 13191), (4397, 4833)]