2021857355

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{14011}}^1$

素因数の和:14080

約数の個数: 48

約数和(自身を含む): 3066946560

約数和(自身を除く): 1045089205

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 133, 155, 217, 245, 589, 665, 931, 1085, 1519, 2945, 4123, 4655, 7595, 14011, 20615, 28861, 70055, 98077, 144305, 266209, 434341, 490385, 686539, 1331045, 1863463, 2171705, 3040387, 3432695, 8252479, 9317315, 13044241, 15201935, 21282709, 41262395, 57767353, 65221205, 106413545, 288836765, 404371471, 2021857355]

約数ペア:

[(1, 2021857355), (5, 404371471), (7, 288836765), (19, 106413545), (31, 65221205), (35, 57767353), (49, 41262395), (95, 21282709), (133, 15201935), (155, 13044241), (217, 9317315), (245, 8252479), (589, 3432695), (665, 3040387), (931, 2171705), (1085, 1863463), (1519, 1331045), (2945, 686539), (4123, 490385), (4655, 434341), (7595, 266209), (14011, 144305), (20615, 98077), (28861, 70055)]