21173382

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2311}}^1$

素因数の和:2828

約数の個数: 24

約数和(自身を含む): 45985680

約数和(自身を除く): 24812298

約数列:

[1, 2, 3, 6, 9, 18, 509, 1018, 1527, 2311, 3054, 4581, 4622, 6933, 9162, 13866, 20799, 41598, 1176299, 2352598, 3528897, 7057794, 10586691, 21173382]

約数ペア:

[(1, 21173382), (2, 10586691), (3, 7057794), (6, 3528897), (9, 2352598), (18, 1176299), (509, 41598), (1018, 20799), (1527, 13866), (2311, 9162), (3054, 6933), (4581, 4622)]