21154166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 15237514

約数列:

[1, 2, 11, 22, 29, 58, 71, 142, 319, 467, 638, 781, 934, 1562, 2059, 4118, 5137, 10274, 13543, 22649, 27086, 33157, 45298, 66314, 148973, 297946, 364727, 729454, 961553, 1923106, 10577083, 21154166]

約数ペア:

[(1, 21154166), (2, 10577083), (11, 1923106), (22, 961553), (29, 729454), (58, 364727), (71, 297946), (142, 148973), (319, 66314), (467, 45298), (638, 33157), (781, 27086), (934, 22649), (1562, 13543), (2059, 10274), (4118, 5137)]