21675095

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 28539216

約数和(自身を除く): 6864121

約数列:

[1, 5, 13, 65, 113, 169, 227, 565, 845, 1135, 1469, 2951, 7345, 14755, 19097, 25651, 38363, 95485, 128255, 191815, 333463, 1667315, 4335019, 21675095]

約数ペア:

[(1, 21675095), (5, 4335019), (13, 1667315), (65, 333463), (113, 191815), (169, 128255), (227, 95485), (565, 38363), (845, 25651), (1135, 19097), (1469, 14755), (2951, 7345)]