21795907

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5651}}^1$

素因数の和:5706

約数の個数: 16

約数和(自身を含む): 27129600

約数和(自身を除く): 5333693

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5651, 39557, 107369, 163879, 751583, 1147153, 3113701, 21795907]

約数ペア:

[(1, 21795907), (7, 3113701), (19, 1147153), (29, 751583), (133, 163879), (203, 107369), (551, 39557), (3857, 5651)]