21329622

素因数分解:

$2^1\times 3^3\times {\mathrm{394993}}^1$

素因数の和:395004

約数の個数: 16

約数和(自身を含む): 47399280

約数和(自身を除く): 26069658

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 394993, 789986, 1184979, 2369958, 3554937, 7109874, 10664811, 21329622]

約数ペア:

[(1, 21329622), (2, 10664811), (3, 7109874), (6, 3554937), (9, 2369958), (18, 1184979), (27, 789986), (54, 394993)]