21553562

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{2207}}^1$

素因数の和:2485

約数の個数: 16

約数和(自身を含む): 34179840

約数和(自身を除く): 12626278

約数列:

[1, 2, 19, 38, 257, 514, 2207, 4414, 4883, 9766, 41933, 83866, 567199, 1134398, 10776781, 21553562]

約数ペア:

[(1, 21553562), (2, 10776781), (19, 1134398), (38, 567199), (257, 83866), (514, 41933), (2207, 9766), (4414, 4883)]