21727412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40841}}^1$

素因数の和:40871

約数の個数: 24

約数和(自身を含む): 45743040

約数和(自身を除く): 24015628

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40841, 81682, 163364, 285887, 571774, 775979, 1143548, 1551958, 3103916, 5431853, 10863706, 21727412]

約数ペア:

[(1, 21727412), (2, 10863706), (4, 5431853), (7, 3103916), (14, 1551958), (19, 1143548), (28, 775979), (38, 571774), (76, 285887), (133, 163364), (266, 81682), (532, 40841)]