21460265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1031}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 27046656

約数和(自身を除く): 5586391

約数列:

[1, 5, 23, 115, 181, 905, 1031, 4163, 5155, 20815, 23713, 118565, 186611, 933055, 4292053, 21460265]

約数ペア:

[(1, 21460265), (5, 4292053), (23, 933055), (115, 186611), (181, 118565), (905, 23713), (1031, 20815), (4163, 5155)]