21235940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96527}}^1$

素因数の和:96547

約数の個数: 24

約数和(自身を含む): 48650112

約数和(自身を除く): 27414172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96527, 193054, 386108, 482635, 965270, 1061797, 1930540, 2123594, 4247188, 5308985, 10617970, 21235940]

約数ペア:

[(1, 21235940), (2, 10617970), (4, 5308985), (5, 4247188), (10, 2123594), (11, 1930540), (20, 1061797), (22, 965270), (44, 482635), (55, 386108), (110, 193054), (220, 96527)]