21525244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2287}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 40808768

約数和(自身を除く): 19283524

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2287, 2353, 4574, 4706, 9148, 9412, 29731, 59462, 118924, 413947, 827894, 1655788, 5381311, 10762622, 21525244]

約数ペア:

[(1, 21525244), (2, 10762622), (4, 5381311), (13, 1655788), (26, 827894), (52, 413947), (181, 118924), (362, 59462), (724, 29731), (2287, 9412), (2353, 9148), (4574, 4706)]