21218292

素因数分解:

$2^2\times 3^2\times {\mathrm{607}}^1\times {\mathrm{971}}^1$

素因数の和:1588

約数の個数: 36

約数和(自身を含む): 53778816

約数和(自身を除く): 32560524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607, 971, 1214, 1821, 1942, 2428, 2913, 3642, 3884, 5463, 5826, 7284, 8739, 10926, 11652, 17478, 21852, 34956, 589397, 1178794, 1768191, 2357588, 3536382, 5304573, 7072764, 10609146, 21218292]

約数ペア:

[(1, 21218292), (2, 10609146), (3, 7072764), (4, 5304573), (6, 3536382), (9, 2357588), (12, 1768191), (18, 1178794), (36, 589397), (607, 34956), (971, 21852), (1214, 17478), (1821, 11652), (1942, 10926), (2428, 8739), (2913, 7284), (3642, 5826), (3884, 5463)]