21178992

素因数分解:

$2^4\times 3^1\times {\mathrm{441229}}^1$

素因数の和:441240

約数の個数: 20

約数和(自身を含む): 54712520

約数和(自身を除く): 33533528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 441229, 882458, 1323687, 1764916, 2647374, 3529832, 5294748, 7059664, 10589496, 21178992]

約数ペア:

[(1, 21178992), (2, 10589496), (3, 7059664), (4, 5294748), (6, 3529832), (8, 2647374), (12, 1764916), (16, 1323687), (24, 882458), (48, 441229)]