21130386

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{121439}}^1$

素因数の和:121473

約数の個数: 16

約数和(自身を含む): 43718400

約数和(自身を除く): 22588014

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 121439, 242878, 364317, 728634, 3521731, 7043462, 10565193, 21130386]

約数ペア:

[(1, 21130386), (2, 10565193), (3, 7043462), (6, 3521731), (29, 728634), (58, 364317), (87, 242878), (174, 121439)]