21553161

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60373}}^1$

素因数の和:60400

約数の個数: 16

約数和(自身を含む): 34775424

約数和(自身を除く): 13222263

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60373, 181119, 422611, 1026341, 1267833, 3079023, 7184387, 21553161]

約数ペア:

[(1, 21553161), (3, 7184387), (7, 3079023), (17, 1267833), (21, 1026341), (51, 422611), (119, 181119), (357, 60373)]