21087099

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6871}}^1$

素因数の和:6919

約数の個数: 24

約数和(自身を含む): 34305024

約数和(自身を除く): 13217925

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 6871, 20613, 61839, 75581, 213001, 226743, 639003, 680229, 1917009, 2343011, 7029033, 21087099]

約数ペア:

[(1, 21087099), (3, 7029033), (9, 2343011), (11, 1917009), (31, 680229), (33, 639003), (93, 226743), (99, 213001), (279, 75581), (341, 61839), (1023, 20613), (3069, 6871)]