21433349

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5557}}^1$

素因数の和:5612

約数の個数: 16

約数和(自身を含む): 26678400

約数和(自身を除く): 5245051

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5557, 38899, 105583, 161153, 739081, 1128071, 3061907, 21433349]

約数ペア:

[(1, 21433349), (7, 3061907), (19, 1128071), (29, 739081), (133, 161153), (203, 105583), (551, 38899), (3857, 5557)]