21410103

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{349}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 34074600

約数和(自身を除く): 12664497

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 169, 349, 363, 429, 507, 1047, 1573, 1859, 3839, 4537, 4719, 5577, 11517, 13611, 20449, 42229, 49907, 58981, 61347, 126687, 149721, 176943, 548977, 648791, 1646931, 1946373, 7136701, 21410103]

約数ペア:

[(1, 21410103), (3, 7136701), (11, 1946373), (13, 1646931), (33, 648791), (39, 548977), (121, 176943), (143, 149721), (169, 126687), (349, 61347), (363, 58981), (429, 49907), (507, 42229), (1047, 20449), (1573, 13611), (1859, 11517), (3839, 5577), (4537, 4719)]