21756554942

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1820023}}^1$

素因数の和:1820207

約数の個数: 16

約数和(自身を含む): 33634043520

約数和(自身を除く): 11877488578

約数列:

[1, 2, 43, 86, 139, 278, 5977, 11954, 1820023, 3640046, 78260989, 156521978, 252983197, 505966394, 10878277471, 21756554942]

約数ペア:

[(1, 21756554942), (2, 10878277471), (43, 505966394), (86, 252983197), (139, 156521978), (278, 78260989), (5977, 3640046), (11954, 1820023)]