21291276

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{104369}}^1$

素因数の和:104393

約数の個数: 24

約数和(自身を含む): 52602480

約数和(自身を除く): 31311204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 104369, 208738, 313107, 417476, 626214, 1252428, 1774273, 3548546, 5322819, 7097092, 10645638, 21291276]

約数ペア:

[(1, 21291276), (2, 10645638), (3, 7097092), (4, 5322819), (6, 3548546), (12, 1774273), (17, 1252428), (34, 626214), (51, 417476), (68, 313107), (102, 208738), (204, 104369)]