21769167

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19559}}^1$

素因数の和:19622

約数の個数: 16

約数和(自身を含む): 33799680

約数和(自身を除く): 12030513

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 19559, 58677, 136913, 410739, 1036627, 3109881, 7256389, 21769167]

約数ペア:

[(1, 21769167), (3, 7256389), (7, 3109881), (21, 1036627), (53, 410739), (159, 136913), (371, 58677), (1113, 19559)]