21085884

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{3931}}^1$

素因数の和:4090

約数の個数: 36

約数和(自身を含む): 53671800

約数和(自身を除く): 32585916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 298, 447, 596, 894, 1341, 1788, 2682, 3931, 5364, 7862, 11793, 15724, 23586, 35379, 47172, 70758, 141516, 585719, 1171438, 1757157, 2342876, 3514314, 5271471, 7028628, 10542942, 21085884]

約数ペア:

[(1, 21085884), (2, 10542942), (3, 7028628), (4, 5271471), (6, 3514314), (9, 2342876), (12, 1757157), (18, 1171438), (36, 585719), (149, 141516), (298, 70758), (447, 47172), (596, 35379), (894, 23586), (1341, 15724), (1788, 11793), (2682, 7862), (3931, 5364)]