21345265

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9769}}^1$

素因数の和:9816

約数の個数: 16

約数和(自身を含む): 28137600

約数和(自身を除く): 6792335

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 9769, 48845, 185611, 224687, 928055, 1123435, 4269053, 21345265]

約数ペア:

[(1, 21345265), (5, 4269053), (19, 1123435), (23, 928055), (95, 224687), (115, 185611), (437, 48845), (2185, 9769)]