21478452

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{7489}}^1$

素因数の和:7735

約数の個数: 24

約数和(自身を含む): 50332800

約数和(自身を除く): 28854348

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 7489, 14978, 22467, 29956, 44934, 89868, 1789871, 3579742, 5369613, 7159484, 10739226, 21478452]

約数ペア:

[(1, 21478452), (2, 10739226), (3, 7159484), (4, 5369613), (6, 3579742), (12, 1789871), (239, 89868), (478, 44934), (717, 29956), (956, 22467), (1434, 14978), (2868, 7489)]