21876565

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1051}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 27570816

約数和(自身を除く): 5694251

約数列:

[1, 5, 23, 115, 181, 905, 1051, 4163, 5255, 20815, 24173, 120865, 190231, 951155, 4375313, 21876565]

約数ペア:

[(1, 21876565), (5, 4375313), (23, 951155), (115, 190231), (181, 120865), (905, 24173), (1051, 20815), (4163, 5255)]