21085834

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 18571766

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 269, 509, 538, 1018, 1883, 2959, 3563, 3766, 5599, 5918, 7126, 11198, 20713, 39193, 41426, 78386, 136921, 273842, 958447, 1506131, 1916894, 3012262, 10542917, 21085834]

約数ペア:

[(1, 21085834), (2, 10542917), (7, 3012262), (11, 1916894), (14, 1506131), (22, 958447), (77, 273842), (154, 136921), (269, 78386), (509, 41426), (538, 39193), (1018, 20713), (1883, 11198), (2959, 7126), (3563, 5918), (3766, 5599)]