21503224

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{6703}}^1$

素因数の和:7110

約数の個数: 16

約数和(自身を含む): 40425120

約数和(自身を除く): 18921896

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 6703, 13406, 26812, 53624, 2687903, 5375806, 10751612, 21503224]

約数ペア:

[(1, 21503224), (2, 10751612), (4, 5375806), (8, 2687903), (401, 53624), (802, 26812), (1604, 13406), (3208, 6703)]