21420231490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1193}}^1\times {\mathrm{256499}}^1$

素因数の和:257706

約数の個数: 32

約数和(自身を含む): 44101584000

約数和(自身を除く): 22681352510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1193, 2386, 5965, 8351, 11930, 16702, 41755, 83510, 256499, 512998, 1282495, 1795493, 2564990, 3590986, 8977465, 17954930, 306003307, 612006614, 1530016535, 2142023149, 3060033070, 4284046298, 10710115745, 21420231490]

約数ペア:

[(1, 21420231490), (2, 10710115745), (5, 4284046298), (7, 3060033070), (10, 2142023149), (14, 1530016535), (35, 612006614), (70, 306003307), (1193, 17954930), (2386, 8977465), (5965, 3590986), (8351, 2564990), (11930, 1795493), (16702, 1282495), (41755, 512998), (83510, 256499)]