21056090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2857}}^1$

素因数の和:2942

約数の個数: 32

約数和(自身を含む): 41978304

約数和(自身を除く): 20922214

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2857, 3685, 5714, 7370, 14285, 28570, 31427, 62854, 157135, 191419, 314270, 382838, 957095, 1914190, 2105609, 4211218, 10528045, 21056090]

約数ペア:

[(1, 21056090), (2, 10528045), (5, 4211218), (10, 2105609), (11, 1914190), (22, 957095), (55, 382838), (67, 314270), (110, 191419), (134, 157135), (335, 62854), (670, 31427), (737, 28570), (1474, 14285), (2857, 7370), (3685, 5714)]