21389076

素因数分解:

$2^2\times 3^3\times {\mathrm{198047}}^1$

素因数の和:198060

約数の個数: 24

約数和(自身を含む): 55453440

約数和(自身を除く): 34064364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 198047, 396094, 594141, 792188, 1188282, 1782423, 2376564, 3564846, 5347269, 7129692, 10694538, 21389076]

約数ペア:

[(1, 21389076), (2, 10694538), (3, 7129692), (4, 5347269), (6, 3564846), (9, 2376564), (12, 1782423), (18, 1188282), (27, 792188), (36, 594141), (54, 396094), (108, 198047)]