21899210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115259}}^1$

素因数の和:115285

約数の個数: 16

約数和(自身を含む): 41493600

約数和(自身を除く): 19594390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 115259, 230518, 576295, 1152590, 2189921, 4379842, 10949605, 21899210]

約数ペア:

[(1, 21899210), (2, 10949605), (5, 4379842), (10, 2189921), (19, 1152590), (38, 576295), (95, 230518), (190, 115259)]