21010940

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2269}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 44237760

約数和(自身を除く): 23226820

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2269, 2315, 4538, 4630, 9076, 9260, 11345, 22690, 45380, 1050547, 2101094, 4202188, 5252735, 10505470, 21010940]

約数ペア:

[(1, 21010940), (2, 10505470), (4, 5252735), (5, 4202188), (10, 2101094), (20, 1050547), (463, 45380), (926, 22690), (1852, 11345), (2269, 9260), (2315, 9076), (4538, 4630)]