21454192

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70573}}^1$

素因数の和:70600

約数の個数: 20

約数和(自身を含む): 43755880

約数和(自身を除く): 22301688

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70573, 141146, 282292, 564584, 1129168, 1340887, 2681774, 5363548, 10727096, 21454192]

約数ペア:

[(1, 21454192), (2, 10727096), (4, 5363548), (8, 2681774), (16, 1340887), (19, 1129168), (38, 564584), (76, 282292), (152, 141146), (304, 70573)]