21483273

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 34456576

約数和(自身を除く): 12973303

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 259, 301, 643, 777, 903, 1591, 1929, 4501, 4773, 11137, 13503, 23791, 27649, 33411, 71373, 82947, 166537, 193543, 499611, 580629, 1023013, 3069039, 7161091, 21483273]

約数ペア:

[(1, 21483273), (3, 7161091), (7, 3069039), (21, 1023013), (37, 580629), (43, 499611), (111, 193543), (129, 166537), (259, 82947), (301, 71373), (643, 33411), (777, 27649), (903, 23791), (1591, 13503), (1929, 11137), (4501, 4773)]