21814722

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2381}}^1$

素因数の和:2898

約数の個数: 24

約数和(自身を含む): 47377980

約数和(自身を除く): 25563258

約数列:

[1, 2, 3, 6, 9, 18, 509, 1018, 1527, 2381, 3054, 4581, 4762, 7143, 9162, 14286, 21429, 42858, 1211929, 2423858, 3635787, 7271574, 10907361, 21814722]

約数ペア:

[(1, 21814722), (2, 10907361), (3, 7271574), (6, 3635787), (9, 2423858), (18, 1211929), (509, 42858), (1018, 21429), (1527, 14286), (2381, 9162), (3054, 7143), (4581, 4762)]