21370291188

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{161149}}^1$

素因数の和:161456

約数の個数: 48

約数和(自身を含む): 51222494400

約数和(自身を除く): 29852203212

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 257, 258, 514, 516, 771, 1028, 1542, 3084, 11051, 22102, 33153, 44204, 66306, 132612, 161149, 322298, 483447, 644596, 966894, 1933788, 6929407, 13858814, 20788221, 27717628, 41415293, 41576442, 82830586, 83152884, 124245879, 165661172, 248491758, 496983516, 1780857599, 3561715198, 5342572797, 7123430396, 10685145594, 21370291188]

約数ペア:

[(1, 21370291188), (2, 10685145594), (3, 7123430396), (4, 5342572797), (6, 3561715198), (12, 1780857599), (43, 496983516), (86, 248491758), (129, 165661172), (172, 124245879), (257, 83152884), (258, 82830586), (514, 41576442), (516, 41415293), (771, 27717628), (1028, 20788221), (1542, 13858814), (3084, 6929407), (11051, 1933788), (22102, 966894), (33153, 644596), (44204, 483447), (66306, 322298), (132612, 161149)]