21534560

素因数分解:

$2^5\times 5^1\times {\mathrm{134591}}^1$

素因数の和:134606

約数の個数: 24

約数和(自身を含む): 50875776

約数和(自身を除く): 29341216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 134591, 269182, 538364, 672955, 1076728, 1345910, 2153456, 2691820, 4306912, 5383640, 10767280, 21534560]

約数ペア:

[(1, 21534560), (2, 10767280), (4, 5383640), (5, 4306912), (8, 2691820), (10, 2153456), (16, 1345910), (20, 1076728), (32, 672955), (40, 538364), (80, 269182), (160, 134591)]