21562918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{863}}^1$

素因数の和:940

約数の個数: 24

約数和(自身を含む): 36033984

約数和(自身を除く): 14471066

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 863, 961, 1726, 1922, 11219, 12493, 22438, 24986, 26753, 53506, 347789, 695578, 829343, 1658686, 10781459, 21562918]

約数ペア:

[(1, 21562918), (2, 10781459), (13, 1658686), (26, 829343), (31, 695578), (62, 347789), (403, 53506), (806, 26753), (863, 24986), (961, 22438), (1726, 12493), (1922, 11219)]