21836574

素因数分解:

$2^1\times 3^3\times {\mathrm{404381}}^1$

素因数の和:404392

約数の個数: 16

約数和(自身を含む): 48525840

約数和(自身を除く): 26689266

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 404381, 808762, 1213143, 2426286, 3639429, 7278858, 10918287, 21836574]

約数ペア:

[(1, 21836574), (2, 10918287), (3, 7278858), (6, 3639429), (9, 2426286), (18, 1213143), (27, 808762), (54, 404381)]