21629015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3221}}^1$

素因数の和:3322

約数の個数: 16

約数和(自身を含む): 27838080

約数和(自身を除く): 6209065

約数列:

[1, 5, 17, 79, 85, 395, 1343, 3221, 6715, 16105, 54757, 254459, 273785, 1272295, 4325803, 21629015]

約数ペア:

[(1, 21629015), (5, 4325803), (17, 1272295), (79, 273785), (85, 254459), (395, 54757), (1343, 16105), (3221, 6715)]