21937972

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14783}}^1$

素因数の和:14847

約数の個数: 24

約数和(自身を含む): 44706816

約数和(自身を除く): 22768844

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14783, 29566, 59132, 103481, 206962, 413924, 783499, 1566998, 3133996, 5484493, 10968986, 21937972]

約数ペア:

[(1, 21937972), (2, 10968986), (4, 5484493), (7, 3133996), (14, 1566998), (28, 783499), (53, 413924), (106, 206962), (212, 103481), (371, 59132), (742, 29566), (1484, 14783)]