21495061

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5573}}^1$

素因数の和:5628

約数の個数: 16

約数和(自身を含む): 26755200

約数和(自身を除く): 5260139

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5573, 39011, 105887, 161617, 741209, 1131319, 3070723, 21495061]

約数ペア:

[(1, 21495061), (7, 3070723), (19, 1131319), (29, 741209), (133, 161617), (203, 105887), (551, 39011), (3857, 5573)]